{ "schema_version": "1.0", "airport": { "name": "London Stansted Airport", "iata": "STN", "icao": "EGSS" }, "window": { "localStart": "2026-04-07T00:00:00+01:00", "localEnd": "2026-04-10T23:59:59+01:00", "utcStart": "2026-04-06T23:00:00.000Z", "utcEnd": "2026-04-10T22:59:59.000Z", "bucket": "hourly" }, "stanstedContext": { "runwayDirections": "Runway 04 and Runway 22 on one physical runway (south-west / north-east).", "runwayMix": "Runway 22 used roughly 70% of the time; Runway 04 roughly 30%.", "stacks": "Holding stacks Lorel and Abbot; minimum stack altitude 7 000 ft.", "noiseMonitors": "Eight fixed noise monitors (four north-east and four south-west of the runway).", "departureNoiseLimits": "Measured 6.5 km from start of roll: 89 dB day, 84 dB night (reference levels, not live readings here).", "ils": "ILS glideslope 3°.", "npr": "Six NPRs total; 3 km swathe width.", "airQualityStations": "Official hourly monitors: Stansted 3 (perimeter side), Stansted 4 (airport side), Stansted 5 (forest background) — ingested from AQ England CSVs in Sentinel - Stansted for the rolling window.", "receptors": "Receptor bands (Bishop’s Stortford, Sawbridgeworth, Stansted Mountfitchet, Hatfield Forest, west of airfield, arrival-side, departure-side, perimeter) are explanatory atlas zones — not legal boundaries.", "weatherPropagation": "Runway direction follows wind; ground wind can differ from what residents feel elsewhere; humidity, cloud, rain, and wind change how sound is perceived." }, "connectorStatus": { "airlabs": { "state": "pending", "detail": "AIRLABS_API_KEY not set in environment" }, "aviationstack": { "state": "pending", "detail": "AVIATIONSTACK_API_KEY not set in environment" }, "metoffice_weather": { "state": "pending", "detail": "Met Office ingest not configured for this build" }, "open_meteo": { "state": "pending", "detail": "Open-Meteo ingest not configured for this build" }, "notam": { "state": "pending", "detail": "NOTAM feed not configured for this build" } }, "sensorSeries": { "indoor": { "Stansted Airport IAQ 1": [ { "device": "Stansted Airport IAQ 1", "utcMs": 1775516400000, "isoUtc": "2026-04-06T23:00:00.000Z", "hourKey": "2026-04-07T00", "co2_ppm": 674, "tvoc_ppb": 95, "pm25_ugm3": 4, "temp_c": 18.7, "humidity_pct": 48.9, "pressure_hpa": 1015.9, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 2, "influenza_index": 2, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, { "device": "Stansted Airport IAQ 1", "utcMs": 1775520000000, "isoUtc": "2026-04-07T00:00:00.000Z", "hourKey": "2026-04-07T01", "co2_ppm": 597, "tvoc_ppb": 77, "pm25_ugm3": 4, "temp_c": 18.5, "humidity_pct": 48.8, "pressure_hpa": 1015.9, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 1, "influenza_index": 1, "vape_index": 1, "pollen_index": 1, "co_ppm": 0 }, { "device": "Stansted Airport IAQ 1", "utcMs": 1775523600000, "isoUtc": "2026-04-07T01:00:00.000Z", "hourKey": "2026-04-07T02", "co2_ppm": 562, "tvoc_ppb": 67, "pm25_ugm3": 3, "temp_c": 18.2, "humidity_pct": 49.3, "pressure_hpa": 1015.7, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 1, "influenza_index": 2, "vape_index": 1, "pollen_index": 1, "co_ppm": 0 }, { "device": "Stansted Airport IAQ 1", "utcMs": 1775527200000, "isoUtc": "2026-04-07T02:00:00.000Z", "hourKey": "2026-04-07T03", "co2_ppm": 533, "tvoc_ppb": 58, "pm25_ugm3": 3, "temp_c": 18.1, "humidity_pct": 49.3, "pressure_hpa": 1015.4, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 1, "influenza_index": 2, "vape_index": 1, "pollen_index": 1, "co_ppm": 0 }, { "device": "Stansted Airport IAQ 1", "utcMs": 1775530800000, "isoUtc": "2026-04-07T03:00:00.000Z", "hourKey": "2026-04-07T04", "co2_ppm": 529, "tvoc_ppb": 56, "pm25_ugm3": 3, "temp_c": 18, "humidity_pct": 49.4, "pressure_hpa": 1015.1, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 1, "influenza_index": 2, "vape_index": 1, "pollen_index": 1, "co_ppm": 0 }, { "device": "Stansted Airport IAQ 1", "utcMs": 1775534400000, "isoUtc": "2026-04-07T04:00:00.000Z", "hourKey": "2026-04-07T05", "co2_ppm": 740, "tvoc_ppb": 90, "pm25_ugm3": 4, "temp_c": 18.1, "humidity_pct": 51.5, "pressure_hpa": 1015, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 2, "influenza_index": 3, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, { "device": "Stansted Airport IAQ 1", "utcMs": 1775538000000, "isoUtc": "2026-04-07T05:00:00.000Z", "hourKey": "2026-04-07T06", "co2_ppm": 983, "tvoc_ppb": 133, "pm25_ugm3": 6, "temp_c": 18.2, "humidity_pct": 53.9, "pressure_hpa": 1014.8, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 3, "norovirus_index": 3, "influenza_index": 4, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 }, { "device": "Stansted Airport IAQ 1", "utcMs": 1775541600000, "isoUtc": "2026-04-07T06:00:00.000Z", "hourKey": 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"pm1_ugm3": 14.1, "pm25_ugm3": 16.2, "no2_ugm3": 29.00055, "no_ugm3": 9.07641, "noxasno2_ugm3": 42.91752 }, { "hourKey": "2026-04-08T08", "pm10_ugm3": 46.6, "pm1_ugm3": 15.2, "pm25_ugm3": 19.2, "no2_ugm3": 44.84315, "no_ugm3": 38.57372, "noxasno2_ugm3": 103.98869 }, { "hourKey": "2026-04-08T09", "pm10_ugm3": 29.7, "pm1_ugm3": 13.4, "pm25_ugm3": 15.8, "no2_ugm3": 22.18262, "no_ugm3": 7.04134, "noxasno2_ugm3": 32.97918 }, { "hourKey": "2026-04-08T10", "pm10_ugm3": 24.2, "pm1_ugm3": 10.8, "pm25_ugm3": 12.9, "no2_ugm3": 19.68515, "no_ugm3": 10.25476, "noxasno2_ugm3": 35.40889 }, { "hourKey": "2026-04-08T11", "pm10_ugm3": 22.6, "pm1_ugm3": 11.7, "pm25_ugm3": 13.6, "no2_ugm3": 14.12564, "no_ugm3": 2.88188, "noxasno2_ugm3": 18.54447 }, { "hourKey": "2026-04-08T12", "pm10_ugm3": 20.2, "pm1_ugm3": 9.4, "pm25_ugm3": 11.3, "no2_ugm3": 12.19822, "no_ugm3": 2.4477, "noxasno2_ugm3": 15.95131 }, { "hourKey": "2026-04-08T13", "pm10_ugm3": 22.5, "pm1_ugm3": 8.1, "pm25_ugm3": 10.4, "no2_ugm3": 22.3463, "no_ugm3": 10.30471, "noxasno2_ugm3": 38.14663 }, { "hourKey": "2026-04-08T14", "pm10_ugm3": 23.1, "pm1_ugm3": 6.3, "pm25_ugm3": 8.9, "no2_ugm3": 14.9803, "no_ugm3": 4.22241, "noxasno2_ugm3": 21.45457 }, { "hourKey": "2026-04-08T15", "pm10_ugm3": 18.7, "pm1_ugm3": 6, "pm25_ugm3": 8.1, "no2_ugm3": 14.53578, "no_ugm3": 2.66839, "noxasno2_ugm3": 18.62724 }, { "hourKey": "2026-04-08T16", "pm10_ugm3": 17.9, "pm1_ugm3": 5.3, "pm25_ugm3": 7.4, "no2_ugm3": 17.66523, "no_ugm3": 5.14106, "noxasno2_ugm3": 25.54809 }, { "hourKey": "2026-04-08T17", "pm10_ugm3": 21.3, "pm1_ugm3": 5.9, "pm25_ugm3": 8.2, "no2_ugm3": 17.04167, "no_ugm3": 2.32282, "noxasno2_ugm3": 20.60328 }, { "hourKey": "2026-04-08T18", "pm10_ugm3": 29.1, "pm1_ugm3": 13.9, "pm25_ugm3": 16.3, "no2_ugm3": 36.05172, "no_ugm3": 17.79597, "noxasno2_ugm3": 63.33849 }, { "hourKey": "2026-04-08T19", "pm10_ugm3": 26.7, "pm1_ugm3": 14.7, "pm25_ugm3": 16.7, "no2_ugm3": 28.79747, "no_ugm3": 1.28475, "noxasno2_ugm3": 30.7674 }, { "hourKey": "2026-04-08T20", "pm10_ugm3": 27.5, "pm1_ugm3": 13.2, "pm25_ugm3": 15.3, "no2_ugm3": 26.74316, "no_ugm3": 0.90737, "noxasno2_ugm3": 28.13443 }, { "hourKey": "2026-04-08T21", "pm10_ugm3": 27.4, "pm1_ugm3": 16.4, "pm25_ugm3": 18, "no2_ugm3": 29.65487, "no_ugm3": 1.12531, "noxasno2_ugm3": 31.38033 }, { "hourKey": "2026-04-08T22", "pm10_ugm3": 32.7, "pm1_ugm3": 22.6, "pm25_ugm3": 23.9, "no2_ugm3": 32.32493, "no_ugm3": 1.17424, "noxasno2_ugm3": 34.12541 }, { "hourKey": "2026-04-08T23", "pm10_ugm3": 43.2, "pm1_ugm3": 32.1, "pm25_ugm3": 33.3, "no2_ugm3": 41.92238, "no_ugm3": 1.82603, "noxasno2_ugm3": 44.72225 }, { "hourKey": "2026-04-09T00", "pm10_ugm3": 42.8, "pm1_ugm3": 31.4, "pm25_ugm3": 32.6, "no2_ugm3": 58.63445, "no_ugm3": 4.18819, "noxasno2_ugm3": 65.05626 }, { "hourKey": "2026-04-09T01", "pm10_ugm3": 43.1, "pm1_ugm3": 32, "pm25_ugm3": 33.1, "no2_ugm3": 55.93022, "no_ugm3": 2.7529, "noxasno2_ugm3": 60.15126 }, { "hourKey": "2026-04-09T02", "pm10_ugm3": 42.7, "pm1_ugm3": 28.1, "pm25_ugm3": 29.8, "no2_ugm3": 67.86891, "no_ugm3": 5.05587, "noxasno2_ugm3": 75.62114 }, { "hourKey": "2026-04-09T03", "pm10_ugm3": 40.5, "pm1_ugm3": 26.7, "pm25_ugm3": 28.3, "no2_ugm3": 57.67469, "no_ugm3": 5.16809, "noxasno2_ugm3": 65.59899 }, { "hourKey": "2026-04-09T04", "pm10_ugm3": 44, "pm1_ugm3": 26.9, "pm25_ugm3": 29, "no2_ugm3": 78.87202, "no_ugm3": 10.22807, "noxasno2_ugm3": 94.55485 }, { "hourKey": "2026-04-09T05", "pm10_ugm3": 35.7, "pm1_ugm3": 22.6, "pm25_ugm3": 24.5, "no2_ugm3": 68.95866, "no_ugm3": 8.3846, "noxasno2_ugm3": 81.81485 }, { "hourKey": "2026-04-09T06", "pm10_ugm3": 35.8, "pm1_ugm3": 19.3, "pm25_ugm3": 22.1, "no2_ugm3": 52.29859, "no_ugm3": 6.43882, "noxasno2_ugm3": 62.17131 }, { "hourKey": "2026-04-09T07", "pm10_ugm3": 33.8, "pm1_ugm3": 17, "pm25_ugm3": 19.8, "no2_ugm3": 51.57072, "no_ugm3": 21.70291, "noxasno2_ugm3": 84.84806 }, { "hourKey": "2026-04-09T08", "pm10_ugm3": 26.8, "pm1_ugm3": 11.7, "pm25_ugm3": 14.8, "no2_ugm3": 25.63052, "no_ugm3": 6.41624, "noxasno2_ugm3": 35.46861 }, { "hourKey": "2026-04-09T09", "pm10_ugm3": 26.2, "pm1_ugm3": 10.8, "pm25_ugm3": 14.3, "no2_ugm3": 19.99929, "no_ugm3": 4.3165, "noxasno2_ugm3": 26.61783 }, { "hourKey": "2026-04-09T10", "pm10_ugm3": 25.6, "pm1_ugm3": 8.7, "pm25_ugm3": 12.1, "no2_ugm3": 17.86194, "no_ugm3": 4.29905, "noxasno2_ugm3": 24.45372 }, { "hourKey": "2026-04-09T11", "pm10_ugm3": 22.2, "pm1_ugm3": 5.2, "pm25_ugm3": 8.6, "no2_ugm3": 13.21508, "no_ugm3": 2.67762, "noxasno2_ugm3": 17.32071 }, { "hourKey": "2026-04-09T12", "pm10_ugm3": 26.9, "pm1_ugm3": 3.4, "pm25_ugm3": 7.4, "no2_ugm3": 13.08175, "no_ugm3": 2.31906, "noxasno2_ugm3": 16.63758 }, { "hourKey": "2026-04-09T13", "pm10_ugm3": 31.5, "pm1_ugm3": 3.9, "pm25_ugm3": 8.7, "no2_ugm3": 10.88075, "no_ugm3": 1.69738, "noxasno2_ugm3": 13.48336 }, { "hourKey": "2026-04-09T14", "pm10_ugm3": 24.5, "pm1_ugm3": 4.2, "pm25_ugm3": 7.8, "no2_ugm3": 12.59308, "no_ugm3": 1.54752, "noxasno2_ugm3": 14.96592 }, { "hourKey": "2026-04-09T15", "pm10_ugm3": 17.2, "pm1_ugm3": 2.7, "pm25_ugm3": 5, "no2_ugm3": 13.91495, "no_ugm3": 1.72236, "noxasno2_ugm3": 16.55586 }, { "hourKey": "2026-04-09T16", "pm10_ugm3": 13, "pm1_ugm3": 2.3, "pm25_ugm3": 3.7, "no2_ugm3": 13.7147, "no_ugm3": 1.06202, "noxasno2_ugm3": 15.3431 }, { "hourKey": "2026-04-09T17", "pm10_ugm3": 29.6, "pm1_ugm3": 1.7, "pm25_ugm3": 4.8, "no2_ugm3": 14.3115, "no_ugm3": 1.24985, "noxasno2_ugm3": 16.22792 }, { "hourKey": "2026-04-09T18", "pm10_ugm3": 12, "pm1_ugm3": 2.1, "pm25_ugm3": 4.1, "no2_ugm3": 18.93399, "no_ugm3": 2.03747, "noxasno2_ugm3": 22.05807 }, { "hourKey": "2026-04-09T19", "pm10_ugm3": 15.3, "pm1_ugm3": 3, "pm25_ugm3": 5.5, "no2_ugm3": 27.85259, "no_ugm3": 2.65094, "noxasno2_ugm3": 31.9173 }, { "hourKey": "2026-04-09T20", "pm10_ugm3": 9.8, "pm1_ugm3": 1.4, "pm25_ugm3": 2.7, "no2_ugm3": 19.68773, "no_ugm3": 2.08708, "noxasno2_ugm3": 22.88787 }, { "hourKey": "2026-04-09T21", "pm10_ugm3": 6.3, "pm1_ugm3": 1.4, "pm25_ugm3": 2.3, "no2_ugm3": 38.93461, "no_ugm3": 3.09367, "noxasno2_ugm3": 43.67817 }, { "hourKey": "2026-04-09T22", "pm10_ugm3": 6, "pm1_ugm3": 1.5, "pm25_ugm3": 2.3, "no2_ugm3": 35.53292, "no_ugm3": 1.2608, "noxasno2_ugm3": 37.46613 }, { "hourKey": "2026-04-09T23", "pm10_ugm3": 6, "pm1_ugm3": 2, "pm25_ugm3": 3, "no2_ugm3": 25.93359, "no_ugm3": 0.99325, "noxasno2_ugm3": 27.45654 }, { "hourKey": "2026-04-10T00", "pm10_ugm3": 7.8, "pm1_ugm3": 2.5, "pm25_ugm3": 3.9, "no2_ugm3": 11.82631, "no_ugm3": 0.26516, "noxasno2_ugm3": 12.23289 }, { "hourKey": "2026-04-10T01", "pm10_ugm3": 7.7, "pm1_ugm3": 2.7, "pm25_ugm3": 4.2, "no2_ugm3": 9.58532, "no_ugm3": 0.20563, "noxasno2_ugm3": 9.90062 }, { "hourKey": "2026-04-10T02", "pm10_ugm3": 9.5, "pm1_ugm3": 2.9, "pm25_ugm3": 4.8, "no2_ugm3": 10.46865, "no_ugm3": 0.16868, "noxasno2_ugm3": 10.72728 }, { "hourKey": "2026-04-10T03", "pm10_ugm3": 10.6, "pm1_ugm3": 3.1, "pm25_ugm3": 5.2, "no2_ugm3": 9.2514, "no_ugm3": 0.06603, "noxasno2_ugm3": 9.35265 }, { "hourKey": "2026-04-10T04", "pm10_ugm3": 10.3, "pm1_ugm3": 3.5, "pm25_ugm3": 5.6, "no2_ugm3": 9.40969, "no_ugm3": 0.51117, "noxasno2_ugm3": 10.19346 }, { "hourKey": "2026-04-10T05", "pm10_ugm3": 11.7, "pm1_ugm3": 3.5, "pm25_ugm3": 5.7, "no2_ugm3": 16.64687, "no_ugm3": 1.50886, "noxasno2_ugm3": 18.96042 }, { "hourKey": "2026-04-10T06", "pm10_ugm3": 13.7, "pm1_ugm3": 3.5, "pm25_ugm3": 6, "no2_ugm3": 44.50101, "no_ugm3": 3.20624, "noxasno2_ugm3": 49.41717 }, { "hourKey": "2026-04-10T07", "pm10_ugm3": 16.3, "pm1_ugm3": 3.8, "pm25_ugm3": 6.6, "no2_ugm3": 41.37312, "no_ugm3": 5.55095, "noxasno2_ugm3": 49.88446 }, { "hourKey": "2026-04-10T08", "pm10_ugm3": 28.2, "pm1_ugm3": 4, "pm25_ugm3": 8.5, "no2_ugm3": 22.86089, "no_ugm3": 3.97675, "noxasno2_ugm3": 28.95848 }, { "hourKey": "2026-04-10T09", "pm10_ugm3": 14.8, "pm1_ugm3": 3.9, "pm25_ugm3": 6.7, "no2_ugm3": 12.69449, "no_ugm3": 2.3738, "noxasno2_ugm3": 16.33426 }, { "hourKey": "2026-04-10T10", "pm10_ugm3": 13.5, "pm1_ugm3": 3.9, "pm25_ugm3": 6.4, "no2_ugm3": 7.60067, "no_ugm3": 2.24173, "noxasno2_ugm3": 11.03794 }, { "hourKey": "2026-04-10T11", "pm10_ugm3": 13.3, "pm1_ugm3": 3.9, "pm25_ugm3": 6.3, "no2_ugm3": 6.52028, "no_ugm3": 1.11437, "noxasno2_ugm3": 8.22895 }, { "hourKey": "2026-04-10T12", "pm10_ugm3": 14.3, "pm1_ugm3": 4.2, "pm25_ugm3": 6.6, "no2_ugm3": 7.91746, "no_ugm3": 1.34531, "noxasno2_ugm3": 9.98025 }, { "hourKey": "2026-04-10T13", "pm10_ugm3": 15.7, "pm1_ugm3": 4.8, "pm25_ugm3": 7.5, "no2_ugm3": 12.55079, "no_ugm3": 2.2041, "noxasno2_ugm3": 15.93036 }, { "hourKey": "2026-04-10T14", "pm10_ugm3": 14, "pm1_ugm3": 4.4, "pm25_ugm3": 6.7, "no2_ugm3": 10.97491, "no_ugm3": 2.0036, "noxasno2_ugm3": 14.04705 }, { "hourKey": "2026-04-10T15", "pm10_ugm3": 16.5, "pm1_ugm3": 5.9, "pm25_ugm3": 8.2, "no2_ugm3": 11.42504, "no_ugm3": 1.94407, "noxasno2_ugm3": 14.4059 }, { "hourKey": "2026-04-10T16", "pm10_ugm3": 62.3, "pm1_ugm3": 41.6, "pm25_ugm3": 49.4, "no2_ugm3": 6.93423, "no_ugm3": 0.58952, "noxasno2_ugm3": 7.83814 }, { "hourKey": "2026-04-10T17", "pm10_ugm3": 51.9, "pm1_ugm3": 17.4, "pm25_ugm3": 32.2, "no2_ugm3": 6.52033, "no_ugm3": 0.3702, "noxasno2_ugm3": 7.08796 }, { "hourKey": "2026-04-10T18", "pm10_ugm3": 41.3, "pm1_ugm3": 16.5, "pm25_ugm3": 26.4, "no2_ugm3": 7.42673, "no_ugm3": 0.32162, "noxasno2_ugm3": 7.91987 }, { "hourKey": "2026-04-10T19", "pm10_ugm3": 15, "pm1_ugm3": 6.7, "pm25_ugm3": 9, "no2_ugm3": 7.81918, "no_ugm3": 0.28672, "noxasno2_ugm3": 8.25881 }, { "hourKey": "2026-04-10T20", "pm10_ugm3": 11.3, "pm1_ugm3": 4, "pm25_ugm3": 5.6, "no2_ugm3": 6.8731, "no_ugm3": 0.2768, "noxasno2_ugm3": 7.29751 }, { "hourKey": "2026-04-10T21", "pm10_ugm3": 15.7, "pm1_ugm3": 3.6, "pm25_ugm3": 6, "no2_ugm3": 7.10113, "no_ugm3": 0.20871, "noxasno2_ugm3": 7.42114 }, { "hourKey": "2026-04-10T22", "pm10_ugm3": 12.6, "pm1_ugm3": 6.2, "pm25_ugm3": 7.9, "no2_ugm3": 7.69063, "no_ugm3": 0.13789, "noxasno2_ugm3": 7.90205 }, { "hourKey": "2026-04-10T23", "pm10_ugm3": 18.3, "pm1_ugm3": 11.7, "pm25_ugm3": 13.7, "no2_ugm3": 8.631, "no_ugm3": 0.12762, "noxasno2_ugm3": 8.82668 } ], "pollutantsAvailable": [ "no2_ugm3", "no_ugm3", "noxasno2_ugm3", "pm10_ugm3", "pm1_ugm3", "pm25_ugm3" ], "ingestNotes": [ "Ingested from 6 CSV file(s): 2026-04-01-260411142616.csv, 2026-04-01-260411142658.csv, 2026-04-01-260411142721.csv, 2026-04-01-260411142735.csv, 2026-04-01-260411142744.csv, 2026-04-01-260411142751.csv." ] }, "STN4": { "siteId": "STN4", "siteName": "Stansted 4", "siteRole": "airport_side", "sourceType": "csv_aq_england_hourly", "hourlySeries": [ { "hourKey": "2026-04-07T01", "pm10_ugm3": 9.4, "pm1_ugm3": 4.7, "pm25_ugm3": 6.6, "no2_ugm3": 12.99783, "no_ugm3": 0.47086, "noxasno2_ugm3": 13.7198 }, { "hourKey": "2026-04-07T02", "pm10_ugm3": 10.1, "pm1_ugm3": 4.6, "pm25_ugm3": 6.6, "no2_ugm3": 11.51229, "no_ugm3": 0.31338, "noxasno2_ugm3": 11.99281 }, { "hourKey": "2026-04-07T03", "pm10_ugm3": 10.4, "pm1_ugm3": 5.1, "pm25_ugm3": 7.2, "no2_ugm3": 11.19625, "no_ugm3": 0.32118, "noxasno2_ugm3": 11.68872 }, { "hourKey": "2026-04-07T04", "pm10_ugm3": 11.1, "pm1_ugm3": 4.8, "pm25_ugm3": 7, "no2_ugm3": 8.53262, "no_ugm3": 0.27004, "noxasno2_ugm3": 8.94668 }, { "hourKey": "2026-04-07T05", "pm10_ugm3": 11.2, "pm1_ugm3": 5.2, "pm25_ugm3": 7.3, "no2_ugm3": 12.84339, "no_ugm3": 0.32866, "noxasno2_ugm3": 13.34734 }, { "hourKey": "2026-04-07T06", "pm10_ugm3": 14.1, "pm1_ugm3": 7.8, "pm25_ugm3": 9.8, "no2_ugm3": 20.18787, "no_ugm3": 0.95886, "noxasno2_ugm3": 21.65811 }, { "hourKey": "2026-04-07T07", "pm10_ugm3": 16.2, "pm1_ugm3": 8.6, "pm25_ugm3": 10.8, "no2_ugm3": 21.94259, "no_ugm3": 3.58599, "noxasno2_ugm3": 27.44103 }, { "hourKey": "2026-04-07T08", "pm10_ugm3": 22.6, "pm1_ugm3": 8.7, "pm25_ugm3": 11.6, "no2_ugm3": 19.50081, "no_ugm3": 5.40518, "noxasno2_ugm3": 27.78863 }, { "hourKey": "2026-04-07T09", "pm10_ugm3": 22.5, "pm1_ugm3": 7.7, "pm25_ugm3": 10.7, "no2_ugm3": 15.78386, "no_ugm3": 4.89752, "noxasno2_ugm3": 23.29329 }, { "hourKey": "2026-04-07T10", "pm10_ugm3": 25.7, "pm1_ugm3": 6.7, "pm25_ugm3": 10.1, "no2_ugm3": 9.94404, "no_ugm3": 2.8401, "noxasno2_ugm3": 14.29881 }, { "hourKey": "2026-04-07T11", "pm10_ugm3": 18.3, "pm1_ugm3": 5.4, "pm25_ugm3": 8, "no2_ugm3": 11.02604, "no_ugm3": 3.05713, "noxasno2_ugm3": 15.71358 }, { "hourKey": "2026-04-07T12", "pm10_ugm3": 17, "pm1_ugm3": 4.4, "pm25_ugm3": 6.9, "no2_ugm3": 12.1831, "no_ugm3": 3.36865, "noxasno2_ugm3": 17.34829 }, { "hourKey": "2026-04-07T13", "pm10_ugm3": 13, "pm1_ugm3": 3.3, "pm25_ugm3": 5.3, "no2_ugm3": 8.60338, "no_ugm3": 1.98913, "noxasno2_ugm3": 11.65334 }, { "hourKey": "2026-04-07T14", "pm10_ugm3": 14.7, "pm1_ugm3": 3.3, "pm25_ugm3": 5.6, "no2_ugm3": 9.24837, "no_ugm3": 2.11261, "noxasno2_ugm3": 12.48767 }, { "hourKey": "2026-04-07T15", "pm10_ugm3": 27, "pm1_ugm3": 3.6, "pm25_ugm3": 7, "no2_ugm3": 8.75829, "no_ugm3": 1.83291, "noxasno2_ugm3": 11.56871 }, { "hourKey": "2026-04-07T16", "pm10_ugm3": 22.6, "pm1_ugm3": 7.7, "pm25_ugm3": 10.4, "no2_ugm3": 9.76379, "no_ugm3": 1.73687, "noxasno2_ugm3": 12.42695 }, { "hourKey": "2026-04-07T17", "pm10_ugm3": 21.6, "pm1_ugm3": 12.1, "pm25_ugm3": 14.1, "no2_ugm3": 10.62537, "no_ugm3": 1.329, "noxasno2_ugm3": 12.66314 }, { "hourKey": "2026-04-07T18", "pm10_ugm3": 25, "pm1_ugm3": 14.6, "pm25_ugm3": 16.5, "no2_ugm3": 18.9108, "no_ugm3": 1.48834, "noxasno2_ugm3": 21.19289 }, { "hourKey": "2026-04-07T19", "pm10_ugm3": 26.1, "pm1_ugm3": 16, "pm25_ugm3": 17.8, "no2_ugm3": 16.09225, "no_ugm3": 0.57719, "noxasno2_ugm3": 16.97726 }, { "hourKey": "2026-04-07T20", "pm10_ugm3": 24.5, "pm1_ugm3": 13.4, "pm25_ugm3": 15.6, "no2_ugm3": 17.82307, "no_ugm3": 0.464, "noxasno2_ugm3": 18.53452 }, { "hourKey": "2026-04-07T21", "pm10_ugm3": 21.4, "pm1_ugm3": 10.6, "pm25_ugm3": 13, "no2_ugm3": 16.01002, "no_ugm3": 0.39727, "noxasno2_ugm3": 16.61915 }, { "hourKey": "2026-04-07T22", "pm10_ugm3": 18.3, "pm1_ugm3": 9.7, "pm25_ugm3": 12.2, "no2_ugm3": 20.46853, "no_ugm3": 0.44404, "noxasno2_ugm3": 21.14938 }, { "hourKey": "2026-04-07T23", "pm10_ugm3": 18.4, "pm1_ugm3": 9, "pm25_ugm3": 11.6, "no2_ugm3": 14.6531, "no_ugm3": 0.36671, "noxasno2_ugm3": 15.21537 }, { "hourKey": "2026-04-08T00", "pm10_ugm3": 18.7, "pm1_ugm3": 9.1, "pm25_ugm3": 11.7, "no2_ugm3": 13.69015, "no_ugm3": 0.52262, "noxasno2_ugm3": 14.49149 }, { "hourKey": "2026-04-08T01", "pm10_ugm3": 18.6, "pm1_ugm3": 9.6, "pm25_ugm3": 12.1, "no2_ugm3": 11.35929, "no_ugm3": 0.41722, "noxasno2_ugm3": 11.99903 }, { "hourKey": "2026-04-08T02", "pm10_ugm3": 20.3, "pm1_ugm3": 11.6, "pm25_ugm3": 13.7, "no2_ugm3": 11.93639, "no_ugm3": 0.41099, "noxasno2_ugm3": 12.56656 }, { "hourKey": "2026-04-08T03", "pm10_ugm3": 23.2, "pm1_ugm3": 14.1, "pm25_ugm3": 16, "no2_ugm3": 16.6201, "no_ugm3": 1.88841, "noxasno2_ugm3": 19.51563 }, { "hourKey": "2026-04-08T04", "pm10_ugm3": 24.7, "pm1_ugm3": 15.1, "pm25_ugm3": 17, "no2_ugm3": 17.45061, "no_ugm3": 0.56752, "noxasno2_ugm3": 18.32079 }, { "hourKey": "2026-04-08T05", "pm10_ugm3": 26.2, "pm1_ugm3": 15.1, "pm25_ugm3": 17, "no2_ugm3": 14.15441, "no_ugm3": 0.80451, "noxasno2_ugm3": 15.38798 }, { "hourKey": "2026-04-08T06", "pm10_ugm3": 25.6, "pm1_ugm3": 14.6, "pm25_ugm3": 16.4, "no2_ugm3": 28.42788, "no_ugm3": 7.14516, "noxasno2_ugm3": 39.38363 }, { "hourKey": "2026-04-08T07", "pm10_ugm3": 26.4, "pm1_ugm3": 14.2, "pm25_ugm3": 16.3, "no2_ugm3": 25.10587, "no_ugm3": 4.84607, "noxasno2_ugm3": 32.53641 }, { "hourKey": "2026-04-08T08", "pm10_ugm3": 34.6, "pm1_ugm3": 15.1, "pm25_ugm3": 18, "no2_ugm3": 32.49672, "no_ugm3": 14.69787, "noxasno2_ugm3": 55.03314 }, { "hourKey": "2026-04-08T09", "pm10_ugm3": 28.8, "pm1_ugm3": 13.5, "pm25_ugm3": 15.8, "no2_ugm3": 28.28731, "no_ugm3": 15.28878, "noxasno2_ugm3": 51.72978 }, { "hourKey": "2026-04-08T10", "pm10_ugm3": 23.3, "pm1_ugm3": 10.7, "pm25_ugm3": 12.8, "no2_ugm3": 21.37075, "no_ugm3": 14.78113, "noxasno2_ugm3": 44.03483 }, { "hourKey": "2026-04-08T11", "pm10_ugm3": 20.6, "pm1_ugm3": 11.1, "pm25_ugm3": 13, "no2_ugm3": 16.34662, "no_ugm3": 6.89601, "noxasno2_ugm3": 26.92035 }, { "hourKey": "2026-04-08T12", "pm10_ugm3": 20.2, "pm1_ugm3": 9.4, "pm25_ugm3": 11.4, "no2_ugm3": 20.70138, "no_ugm3": 17.38362, "noxasno2_ugm3": 47.35589 }, { "hourKey": "2026-04-08T13", "pm10_ugm3": 18.3, "pm1_ugm3": 8.1, "pm25_ugm3": 10.1, "no2_ugm3": 23.77333, "no_ugm3": 14.92925, "noxasno2_ugm3": 46.66452 }, { "hourKey": "2026-04-08T14", "pm10_ugm3": 15.9, "pm1_ugm3": 5.6, "pm25_ugm3": 7.6, "no2_ugm3": 15.93208, "no_ugm3": 8.37718, "noxasno2_ugm3": 28.77691 }, { "hourKey": "2026-04-08T15", "pm10_ugm3": 19.1, "pm1_ugm3": 6.6, "pm25_ugm3": 8.8, "no2_ugm3": 21.12069, "no_ugm3": 14.42004, "noxasno2_ugm3": 43.23111 }, { "hourKey": "2026-04-08T16", "pm10_ugm3": 18.5, "pm1_ugm3": 5.8, "pm25_ugm3": 7.9, "no2_ugm3": 26.84624, "no_ugm3": 21.70926, "noxasno2_ugm3": 60.1333 }, { "hourKey": "2026-04-08T17", "pm10_ugm3": 17.1, "pm1_ugm3": 5.2, "pm25_ugm3": 7.1, "no2_ugm3": 32.69849, "no_ugm3": 23.55495, "noxasno2_ugm3": 68.81558 }, { "hourKey": "2026-04-08T18", "pm10_ugm3": 27.9, "pm1_ugm3": 12.9, "pm25_ugm3": 15.4, "no2_ugm3": 42.05109, "no_ugm3": 22.91851, "noxasno2_ugm3": 77.19233 }, { "hourKey": "2026-04-08T19", "pm10_ugm3": 26.4, "pm1_ugm3": 14.3, "pm25_ugm3": 16.5, "no2_ugm3": 52.96621, "no_ugm3": 22.0005, "noxasno2_ugm3": 86.69984 }, { "hourKey": "2026-04-08T20", "pm10_ugm3": 24.8, "pm1_ugm3": 13.9, "pm25_ugm3": 15.7, "no2_ugm3": 34.41687, "no_ugm3": 10.4452, "noxasno2_ugm3": 50.43263 }, { "hourKey": "2026-04-08T21", "pm10_ugm3": 28.6, "pm1_ugm3": 17, "pm25_ugm3": 19, "no2_ugm3": 42.91554, "no_ugm3": 16.10171, "noxasno2_ugm3": 67.60448 }, { "hourKey": "2026-04-08T22", "pm10_ugm3": 37.4, "pm1_ugm3": 23.2, "pm25_ugm3": 25, "no2_ugm3": 60.7453, "no_ugm3": 23.88081, "noxasno2_ugm3": 97.36203 }, { "hourKey": "2026-04-08T23", "pm10_ugm3": 39.9, "pm1_ugm3": 27, "pm25_ugm3": 28.5, "no2_ugm3": 64.70657, "no_ugm3": 15.72409, "noxasno2_ugm3": 88.8165 }, { "hourKey": "2026-04-09T00", "pm10_ugm3": 35, "pm1_ugm3": 25.8, "pm25_ugm3": 26.9, "no2_ugm3": 52.82325, "no_ugm3": 1.18556, "noxasno2_ugm3": 54.64108 }, { "hourKey": 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"pm25_ugm3": 20.3, "no2_ugm3": 32.75252, "no_ugm3": 12.91205, "noxasno2_ugm3": 52.55072 }, { "hourKey": "2026-04-09T08", "pm10_ugm3": 30.7, "pm1_ugm3": 12.6, "pm25_ugm3": 16.1, "no2_ugm3": 21.69014, "no_ugm3": 7.02136, "noxasno2_ugm3": 32.45608 }, { "hourKey": "2026-04-09T09", "pm10_ugm3": 28.9, "pm1_ugm3": 13, "pm25_ugm3": 16.4, "no2_ugm3": 17.88857, "no_ugm3": 5.30695, "noxasno2_ugm3": 26.02578 }, { "hourKey": "2026-04-09T10", "pm10_ugm3": 24.4, "pm1_ugm3": 8.7, "pm25_ugm3": 12.2, "no2_ugm3": 11.57828, "no_ugm3": 3.37582, "noxasno2_ugm3": 16.75446 }, { "hourKey": "2026-04-09T11", "pm10_ugm3": 20.8, "pm1_ugm3": 5, "pm25_ugm3": 8.5, "no2_ugm3": 7.35213, "no_ugm3": 1.9118, "noxasno2_ugm3": 10.28351 }, { "hourKey": "2026-04-09T12", "pm10_ugm3": 22.3, "pm1_ugm3": 3.4, "pm25_ugm3": 7.3, "no2_ugm3": 4.28113, "no_ugm3": 1.03027, "noxasno2_ugm3": 5.86086 }, { "hourKey": "2026-04-09T13", "pm10_ugm3": 22.8, "pm1_ugm3": 4, "pm25_ugm3": 8, "no2_ugm3": 3.50753, "no_ugm3": 0.691, "noxasno2_ugm3": 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"no2_ugm3": 1.9015, "no_ugm3": 0.24665, "noxasno2_ugm3": 2.2797 }, { "hourKey": "2026-04-09T21", "pm10_ugm3": 4.5, "pm1_ugm3": 1.4, "pm25_ugm3": 2.1, "no2_ugm3": 2.7344, "no_ugm3": 0.20861, "noxasno2_ugm3": 3.05426 }, { "hourKey": "2026-04-09T22", "pm10_ugm3": 5, "pm1_ugm3": 1.4, "pm25_ugm3": 2.2, "no2_ugm3": 3.69925, "no_ugm3": 0.21422, "noxasno2_ugm3": 4.02773 }, { "hourKey": "2026-04-09T23", "pm10_ugm3": 5.4, "pm1_ugm3": 1.9, "pm25_ugm3": 2.8, "no2_ugm3": 3.32393, "no_ugm3": 0.1687, "noxasno2_ugm3": 3.58259 }, { "hourKey": "2026-04-10T00", "pm10_ugm3": 6, "pm1_ugm3": 2.4, "pm25_ugm3": 3.6, "no2_ugm3": 2.81233, "no_ugm3": 0.16028, "noxasno2_ugm3": 3.05809 }, { "hourKey": "2026-04-10T01", "pm10_ugm3": 7.2, "pm1_ugm3": 2.7, "pm25_ugm3": 4.2, "no2_ugm3": 2.60817, "no_ugm3": 0.12192, "noxasno2_ugm3": 2.79512 }, { "hourKey": "2026-04-10T02", "pm10_ugm3": 8.7, "pm1_ugm3": 2.9, "pm25_ugm3": 4.7, "no2_ugm3": 2.36003, "no_ugm3": 0.12723, "noxasno2_ugm3": 2.5551 }, { "hourKey": "2026-04-10T03", "pm10_ugm3": 9.8, "pm1_ugm3": 2.9, "pm25_ugm3": 5, "no2_ugm3": 1.86469, "no_ugm3": 0.13034, "noxasno2_ugm3": 2.06454 }, { "hourKey": "2026-04-10T04", "pm10_ugm3": 9.2, "pm1_ugm3": 3, "pm25_ugm3": 5.1, "no2_ugm3": 1.83457, "no_ugm3": 0.13502, "noxasno2_ugm3": 2.04159 }, { "hourKey": "2026-04-10T05", "pm10_ugm3": 8.7, "pm1_ugm3": 3, "pm25_ugm3": 5.1, "no2_ugm3": 2.58379, "no_ugm3": 0.14469, "noxasno2_ugm3": 2.80564 }, { "hourKey": "2026-04-10T06", "pm10_ugm3": 9.9, "pm1_ugm3": 3.1, "pm25_ugm3": 5.3, "no2_ugm3": 3.45302, "no_ugm3": 0.1715, "noxasno2_ugm3": 3.71599 }, { "hourKey": "2026-04-10T07", "pm10_ugm3": 12.2, "pm1_ugm3": 3.4, "pm25_ugm3": 5.8, "no2_ugm3": 3.69591, "no_ugm3": 0.2822, "noxasno2_ugm3": 4.12861 }, { "hourKey": "2026-04-10T08", "pm10_ugm3": 14, "pm1_ugm3": 3.6, "pm25_ugm3": 6.4, "no2_ugm3": 3.31293, "no_ugm3": 0.47335, "noxasno2_ugm3": 4.03872 }, { "hourKey": "2026-04-10T09", "pm10_ugm3": 12.7, "pm1_ugm3": 4, "pm25_ugm3": 6.6, "no2_ugm3": 2.06885, "no_ugm3": 0.44186, "noxasno2_ugm3": 2.74635 }, { "hourKey": "2026-04-10T10", "pm10_ugm3": 12.5, "pm1_ugm3": 3.8, "pm25_ugm3": 6.4, "no2_ugm3": 2.19651, "no_ugm3": 0.65483, "noxasno2_ugm3": 3.20057 }, { "hourKey": "2026-04-10T11", "pm10_ugm3": 12, "pm1_ugm3": 3.8, "pm25_ugm3": 6.3, "no2_ugm3": 4.62443, "no_ugm3": 2.18558, "noxasno2_ugm3": 7.9756 }, { "hourKey": "2026-04-10T12", "pm10_ugm3": 12.7, "pm1_ugm3": 4.3, "pm25_ugm3": 6.6, "no2_ugm3": 6.01864, "no_ugm3": 1.57378, "noxasno2_ugm3": 8.43173 }, { "hourKey": "2026-04-10T13", "pm10_ugm3": 14.4, "pm1_ugm3": 4.7, "pm25_ugm3": 7.3, "no2_ugm3": 9.62227, "no_ugm3": 2.99602, "noxasno2_ugm3": 14.21609 }, { "hourKey": "2026-04-10T14", "pm10_ugm3": 12.5, "pm1_ugm3": 4.5, "pm25_ugm3": 6.7, "no2_ugm3": 11.62848, "no_ugm3": 7.38464, "noxasno2_ugm3": 22.95143 }, { "hourKey": "2026-04-10T15", "pm10_ugm3": 13.1, "pm1_ugm3": 4.7, "pm25_ugm3": 6.9, "no2_ugm3": 14.62823, "no_ugm3": 8.68745, "noxasno2_ugm3": 27.9488 }, { "hourKey": "2026-04-10T16", "pm10_ugm3": 12.3, "pm1_ugm3": 4, "pm25_ugm3": 5.8, "no2_ugm3": 18.63779, "no_ugm3": 10.75547, "noxasno2_ugm3": 35.12928 }, { "hourKey": "2026-04-10T17", "pm10_ugm3": 11, "pm1_ugm3": 3.6, "pm25_ugm3": 5.3, "no2_ugm3": 19.44056, "no_ugm3": 16.68607, "noxasno2_ugm3": 45.02551 }, { "hourKey": "2026-04-10T18", "pm10_ugm3": 12.5, "pm1_ugm3": 4, "pm25_ugm3": 6.4, "no2_ugm3": 33.03509, "no_ugm3": 22.39402, "noxasno2_ugm3": 67.37212 }, { "hourKey": "2026-04-10T19", "pm10_ugm3": 11.6, "pm1_ugm3": 3.6, "pm25_ugm3": 5.7, "no2_ugm3": 30.68319, "no_ugm3": 21.00235, "noxasno2_ugm3": 62.88635 }, { "hourKey": "2026-04-10T20", "pm10_ugm3": 9.5, "pm1_ugm3": 3.3, "pm25_ugm3": 4.9, "no2_ugm3": 22.40303, "no_ugm3": 18.16505, "noxasno2_ugm3": 50.25572 }, { "hourKey": "2026-04-10T21", "pm10_ugm3": 9.8, "pm1_ugm3": 3.6, "pm25_ugm3": 5.3, "no2_ugm3": 20.87398, "no_ugm3": 20.06064, "noxasno2_ugm3": 51.6332 }, { "hourKey": "2026-04-10T22", "pm10_ugm3": 10.2, "pm1_ugm3": 4, "pm25_ugm3": 5.8, "no2_ugm3": 20.99782, "no_ugm3": 9.87456, "noxasno2_ugm3": 36.1386 }, { "hourKey": "2026-04-10T23", "pm10_ugm3": 19.5, "pm1_ugm3": 12.8, "pm25_ugm3": 14.6, "no2_ugm3": 18.35139, "no_ugm3": 10.16175, "noxasno2_ugm3": 33.93253 } ], "pollutantsAvailable": [ "no2_ugm3", "no_ugm3", "noxasno2_ugm3", "pm10_ugm3", "pm1_ugm3", "pm25_ugm3" ], "ingestNotes": [ "Ingested from 6 CSV file(s): S4 2026-04-07-260412150806.csv, S4 2026-04-07-260412150819.csv, S4 2026-04-07-260412150827.csv, S4 2026-04-07-260412150835.csv, S4 2026-04-07-260412150843.csv, S4 2026-04-07-260412150851.csv." ] }, "STN5": { "siteId": "STN5", "siteName": "Stansted 5", "siteRole": "forest_background", "sourceType": "csv_aq_england_hourly", "hourlySeries": [ { "hourKey": "2026-04-07T01", "pm10_ugm3": 9.6, "pm1_ugm3": null, "pm25_ugm3": 6.5, "no2_ugm3": 8.45994, "no_ugm3": 0.22077, "noxasno2_ugm3": 8.79846 }, { "hourKey": "2026-04-07T02", "pm10_ugm3": 9.9, "pm1_ugm3": null, "pm25_ugm3": 6.2, "no2_ugm3": 8.97058, "no_ugm3": 0.21797, "noxasno2_ugm3": 9.30479 }, { "hourKey": "2026-04-07T03", "pm10_ugm3": 11.2, "pm1_ugm3": null, "pm25_ugm3": 7.3, "no2_ugm3": 9.50321, "no_ugm3": 0.21984, "noxasno2_ugm3": 9.84029 }, { "hourKey": "2026-04-07T04", "pm10_ugm3": 11.6, "pm1_ugm3": null, "pm25_ugm3": 7.4, "no2_ugm3": 8.68849, "no_ugm3": 0.20456, "noxasno2_ugm3": 9.00214 }, { "hourKey": "2026-04-07T05", "pm10_ugm3": 11.9, "pm1_ugm3": null, "pm25_ugm3": 7.6, "no2_ugm3": 9.28567, "no_ugm3": 0.2005, "noxasno2_ugm3": 9.5931 }, { "hourKey": "2026-04-07T06", "pm10_ugm3": 14.1, "pm1_ugm3": null, "pm25_ugm3": 10.1, "no2_ugm3": 15.1054, "no_ugm3": 0.7384, "noxasno2_ugm3": 16.2376 }, { "hourKey": "2026-04-07T07", "pm10_ugm3": 16.3, "pm1_ugm3": null, "pm25_ugm3": 11.1, "no2_ugm3": 16.77358, "no_ugm3": 2.64459, "noxasno2_ugm3": 20.82856 }, { "hourKey": "2026-04-07T08", "pm10_ugm3": 17.5, "pm1_ugm3": null, "pm25_ugm3": 10.8, "no2_ugm3": 17.15943, "no_ugm3": 4.76874, "noxasno2_ugm3": 24.47139 }, { "hourKey": "2026-04-07T09", "pm10_ugm3": 22, "pm1_ugm3": null, "pm25_ugm3": 10.2, "no2_ugm3": 14.7535, "no_ugm3": 4.43322, "noxasno2_ugm3": 21.55101 }, { "hourKey": "2026-04-07T10", "pm10_ugm3": 22.7, "pm1_ugm3": null, "pm25_ugm3": 9.2, "no2_ugm3": 9.97178, "no_ugm3": 2.75747, "noxasno2_ugm3": 14.19983 }, { "hourKey": "2026-04-07T11", "pm10_ugm3": 18.6, "pm1_ugm3": null, "pm25_ugm3": 8.5, "no2_ugm3": 10.77742, "no_ugm3": 3.17157, "noxasno2_ugm3": 15.64043 }, { "hourKey": "2026-04-07T12", "pm10_ugm3": 20.6, "pm1_ugm3": null, "pm25_ugm3": 7.7, "no2_ugm3": 12.04445, "no_ugm3": 3.22552, "noxasno2_ugm3": 16.99017 }, { "hourKey": "2026-04-07T13", "pm10_ugm3": 18.5, "pm1_ugm3": null, "pm25_ugm3": 6.1, "no2_ugm3": 8.14247, "no_ugm3": 1.87781, "noxasno2_ugm3": 11.02174 }, { "hourKey": "2026-04-07T14", "pm10_ugm3": 14.9, "pm1_ugm3": null, "pm25_ugm3": 6.1, "no2_ugm3": 7.72841, "no_ugm3": 1.72658, "noxasno2_ugm3": 10.37579 }, { "hourKey": "2026-04-07T15", "pm10_ugm3": 45.9, "pm1_ugm3": null, "pm25_ugm3": 9.2, "no2_ugm3": 8.09609, "no_ugm3": 1.846, "noxasno2_ugm3": 10.92659 }, { "hourKey": "2026-04-07T16", "pm10_ugm3": 27.2, "pm1_ugm3": null, "pm25_ugm3": 10.9, "no2_ugm3": 7.62992, "no_ugm3": 1.43034, "noxasno2_ugm3": 9.82308 }, { "hourKey": "2026-04-07T17", "pm10_ugm3": 23.5, "pm1_ugm3": null, "pm25_ugm3": 14, "no2_ugm3": 8.38344, "no_ugm3": 0.93579, "noxasno2_ugm3": 9.8183 }, { "hourKey": "2026-04-07T18", "pm10_ugm3": 25.3, "pm1_ugm3": null, "pm25_ugm3": 16.7, "no2_ugm3": 10.60625, "no_ugm3": 0.68165, "noxasno2_ugm3": 11.65143 }, { "hourKey": "2026-04-07T19", "pm10_ugm3": 25.5, "pm1_ugm3": null, "pm25_ugm3": 17, "no2_ugm3": 12.69039, "no_ugm3": 0.38355, "noxasno2_ugm3": 13.27849 }, { "hourKey": "2026-04-07T20", "pm10_ugm3": 21.5, "pm1_ugm3": null, "pm25_ugm3": 14.8, "no2_ugm3": 10.30503, "no_ugm3": 0.1952, "noxasno2_ugm3": 10.60433 }, { "hourKey": "2026-04-07T21", "pm10_ugm3": 21.1, "pm1_ugm3": null, "pm25_ugm3": 14.2, "no2_ugm3": 11.76379, "no_ugm3": 0.32991, "noxasno2_ugm3": 12.26964 }, { "hourKey": "2026-04-07T22", "pm10_ugm3": 17.9, "pm1_ugm3": null, "pm25_ugm3": 11.5, "no2_ugm3": 13.63995, "no_ugm3": 0.52262, "noxasno2_ugm3": 14.44129 }, { "hourKey": "2026-04-07T23", "pm10_ugm3": 18.4, "pm1_ugm3": null, "pm25_ugm3": 11.5, "no2_ugm3": 12.66218, "no_ugm3": 0.23044, "noxasno2_ugm3": 13.01552 }, { "hourKey": "2026-04-08T00", "pm10_ugm3": 17, "pm1_ugm3": null, "pm25_ugm3": 11.3, "no2_ugm3": 11.38559, "no_ugm3": 0.23543, "noxasno2_ugm3": 11.74658 }, { "hourKey": "2026-04-08T01", "pm10_ugm3": 18.3, "pm1_ugm3": null, "pm25_ugm3": 11.9, "no2_ugm3": 10.59668, "no_ugm3": 0.21547, "noxasno2_ugm3": 10.92707 }, { "hourKey": "2026-04-08T02", "pm10_ugm3": 21.3, "pm1_ugm3": null, "pm25_ugm3": 13.5, "no2_ugm3": 11.26319, "no_ugm3": 0.22888, "noxasno2_ugm3": 11.61413 }, { "hourKey": "2026-04-08T03", "pm10_ugm3": 23.5, "pm1_ugm3": null, "pm25_ugm3": 16, "no2_ugm3": 12.68609, "no_ugm3": 0.23855, "noxasno2_ugm3": 13.05186 }, { "hourKey": "2026-04-08T04", "pm10_ugm3": 24.8, "pm1_ugm3": null, "pm25_ugm3": 17.3, "no2_ugm3": 14.44272, "no_ugm3": 0.24853, "noxasno2_ugm3": 14.82379 }, { "hourKey": "2026-04-08T05", "pm10_ugm3": 25.8, "pm1_ugm3": null, "pm25_ugm3": 18, "no2_ugm3": 18.51874, "no_ugm3": 0.33116, "noxasno2_ugm3": 19.02651 }, { "hourKey": "2026-04-08T06", "pm10_ugm3": 23.8, "pm1_ugm3": null, "pm25_ugm3": 16, "no2_ugm3": 23.96363, "no_ugm3": 0.95294, "noxasno2_ugm3": 25.42478 }, { "hourKey": "2026-04-08T07", "pm10_ugm3": 24.5, "pm1_ugm3": null, "pm25_ugm3": 15.4, "no2_ugm3": 25.59212, "no_ugm3": 4.32751, "noxasno2_ugm3": 32.22754 }, { "hourKey": "2026-04-08T08", "pm10_ugm3": 44.7, "pm1_ugm3": null, "pm25_ugm3": 17.6, "no2_ugm3": 20.7315, "no_ugm3": 6.49532, "noxasno2_ugm3": 30.69084 }, { "hourKey": "2026-04-08T09", "pm10_ugm3": 36.9, "pm1_ugm3": null, "pm25_ugm3": 16.1, "no2_ugm3": 16.67174, "no_ugm3": 5.3637, "noxasno2_ugm3": 24.89597 }, { "hourKey": "2026-04-08T10", "pm10_ugm3": 22.3, "pm1_ugm3": null, "pm25_ugm3": 13.2, "no2_ugm3": 13.76426, "no_ugm3": 3.57788, "noxasno2_ugm3": 19.25027 }, { "hourKey": "2026-04-08T11", "pm10_ugm3": 36.1, "pm1_ugm3": null, "pm25_ugm3": 13.9, "no2_ugm3": 10.96436, "no_ugm3": 2.55166, "noxasno2_ugm3": 14.87686 }, { "hourKey": "2026-04-08T12", "pm10_ugm3": 27.4, "pm1_ugm3": null, "pm25_ugm3": 11.4, "no2_ugm3": 9.60266, "no_ugm3": 2.76651, "noxasno2_ugm3": 13.84459 }, { "hourKey": "2026-04-08T13", "pm10_ugm3": 30, "pm1_ugm3": null, "pm25_ugm3": 8.2, "no2_ugm3": 8.03154, "no_ugm3": 1.69259, "noxasno2_ugm3": 10.62681 }, { "hourKey": "2026-04-08T14", "pm10_ugm3": 34.6, "pm1_ugm3": null, "pm25_ugm3": 8.2, "no2_ugm3": 7.81543, "no_ugm3": 1.6639, "noxasno2_ugm3": 10.36671 }, { "hourKey": "2026-04-08T15", "pm10_ugm3": 29.2, "pm1_ugm3": null, "pm25_ugm3": 8.8, "no2_ugm3": 8.64593, "no_ugm3": 1.29813, "noxasno2_ugm3": 10.63637 }, { "hourKey": "2026-04-08T16", "pm10_ugm3": 50.6, "pm1_ugm3": null, "pm25_ugm3": 9.6, "no2_ugm3": 9.45444, "no_ugm3": 1.19024, "noxasno2_ugm3": 11.27945 }, { "hourKey": "2026-04-08T17", "pm10_ugm3": 18, "pm1_ugm3": null, "pm25_ugm3": 5.8, "no2_ugm3": 8.97202, "no_ugm3": 0.88278, "noxasno2_ugm3": 10.32559 }, { "hourKey": "2026-04-08T18", "pm10_ugm3": 27.9, "pm1_ugm3": null, "pm25_ugm3": 13.4, "no2_ugm3": 16.15537, "no_ugm3": 0.93891, "noxasno2_ugm3": 17.595 }, { "hourKey": "2026-04-08T19", "pm10_ugm3": 25.6, "pm1_ugm3": null, "pm25_ugm3": 15.2, "no2_ugm3": 21.82019, "no_ugm3": 0.52355, "noxasno2_ugm3": 22.62296 }, { "hourKey": "2026-04-08T20", "pm10_ugm3": 23.9, "pm1_ugm3": null, "pm25_ugm3": 14.9, "no2_ugm3": 19.25314, "no_ugm3": 0.27004, "noxasno2_ugm3": 19.66719 }, { "hourKey": "2026-04-08T21", "pm10_ugm3": 25, "pm1_ugm3": null, "pm25_ugm3": 16.6, "no2_ugm3": 17.7743, "no_ugm3": 0.25445, "noxasno2_ugm3": 18.16445 }, { "hourKey": "2026-04-08T22", "pm10_ugm3": 29.6, "pm1_ugm3": null, "pm25_ugm3": 22, "no2_ugm3": 21.74034, "no_ugm3": 0.33615, "noxasno2_ugm3": 22.25576 }, { "hourKey": "2026-04-08T23", "pm10_ugm3": 33.7, "pm1_ugm3": null, "pm25_ugm3": 25.4, "no2_ugm3": 20.46997, "no_ugm3": 0.31276, "noxasno2_ugm3": 20.94953 }, { "hourKey": "2026-04-09T00", "pm10_ugm3": 32.6, "pm1_ugm3": null, "pm25_ugm3": 25, "no2_ugm3": 20.82282, "no_ugm3": 0.36359, "noxasno2_ugm3": 21.38032 }, { "hourKey": "2026-04-09T01", "pm10_ugm3": 35.5, "pm1_ugm3": null, "pm25_ugm3": 27.9, "no2_ugm3": 16.64688, "no_ugm3": 0.47709, "noxasno2_ugm3": 17.37841 }, { "hourKey": "2026-04-09T02", "pm10_ugm3": 31.6, "pm1_ugm3": null, "pm25_ugm3": 25.6, "no2_ugm3": 18.25912, "no_ugm3": 0.51919, "noxasno2_ugm3": 19.05519 }, { "hourKey": "2026-04-09T03", "pm10_ugm3": 32.8, "pm1_ugm3": null, "pm25_ugm3": 24.2, "no2_ugm3": 17.99997, "no_ugm3": 0.56316, "noxasno2_ugm3": 18.86347 }, { "hourKey": "2026-04-09T04", "pm10_ugm3": 31.3, "pm1_ugm3": null, "pm25_ugm3": 23.1, "no2_ugm3": 16.89503, "no_ugm3": 1.61182, "noxasno2_ugm3": 19.36645 }, { "hourKey": "2026-04-09T05", "pm10_ugm3": 32.1, "pm1_ugm3": null, "pm25_ugm3": 24.3, "no2_ugm3": 15.0289, "no_ugm3": 0.83226, "noxasno2_ugm3": 16.30502 }, { "hourKey": "2026-04-09T06", "pm10_ugm3": 31.5, "pm1_ugm3": null, "pm25_ugm3": 23.2, "no2_ugm3": 16.37769, "no_ugm3": 2.3602, "noxasno2_ugm3": 19.99662 }, { "hourKey": "2026-04-09T07", "pm10_ugm3": 30.6, "pm1_ugm3": null, "pm25_ugm3": 21, "no2_ugm3": 16.15202, "no_ugm3": 10.28087, "noxasno2_ugm3": 31.9158 }, { "hourKey": "2026-04-09T08", "pm10_ugm3": 25.1, "pm1_ugm3": null, "pm25_ugm3": 15.7, "no2_ugm3": 15.65812, "no_ugm3": 3.77932, "noxasno2_ugm3": 21.45299 }, { "hourKey": "2026-04-09T09", "pm10_ugm3": 26.6, "pm1_ugm3": null, "pm25_ugm3": 14.8, "no2_ugm3": 17.78243, "no_ugm3": 4.34154, "noxasno2_ugm3": 24.43936 }, { "hourKey": "2026-04-09T10", "pm10_ugm3": 23.7, "pm1_ugm3": null, "pm25_ugm3": 11.1, "no2_ugm3": 13.71884, "no_ugm3": 3.5177, "noxasno2_ugm3": 19.11257 }, { "hourKey": "2026-04-09T11", "pm10_ugm3": 84.7, "pm1_ugm3": null, "pm25_ugm3": 13.2, "no2_ugm3": 10.14199, "no_ugm3": 8.06941, "noxasno2_ugm3": 22.51491 }, { "hourKey": "2026-04-09T12", "pm10_ugm3": 22.8, "pm1_ugm3": null, "pm25_ugm3": 6.9, "no2_ugm3": 5.30241, "no_ugm3": 1.19367, "noxasno2_ugm3": 7.13267 }, { "hourKey": "2026-04-09T13", "pm10_ugm3": 24.8, "pm1_ugm3": null, "pm25_ugm3": 7.8, "no2_ugm3": 2.91848, "no_ugm3": 0.75493, "noxasno2_ugm3": 4.07602 }, { "hourKey": "2026-04-09T14", "pm10_ugm3": 21.5, "pm1_ugm3": null, "pm25_ugm3": 7.4, "no2_ugm3": 3.36696, "no_ugm3": 0.57937, "noxasno2_ugm3": 4.25531 }, { "hourKey": "2026-04-09T15", "pm10_ugm3": 13.3, "pm1_ugm3": null, "pm25_ugm3": 4.4, "no2_ugm3": 3.11977, "no_ugm3": 0.39446, "noxasno2_ugm3": 3.72459 }, { "hourKey": "2026-04-09T16", "pm10_ugm3": 9.9, "pm1_ugm3": null, "pm25_ugm3": 3.2, "no2_ugm3": 2.83958, "no_ugm3": 0.27254, "noxasno2_ugm3": 3.25747 }, { "hourKey": "2026-04-09T17", "pm10_ugm3": 12.5, "pm1_ugm3": null, "pm25_ugm3": 3.2, "no2_ugm3": 3.01267, "no_ugm3": 0.19926, "noxasno2_ugm3": 3.31819 }, { "hourKey": "2026-04-09T18", "pm10_ugm3": 10.4, "pm1_ugm3": null, "pm25_ugm3": 4.4, "no2_ugm3": 3.66292, "no_ugm3": 0.1952, "noxasno2_ugm3": 3.96222 }, { "hourKey": "2026-04-09T19", "pm10_ugm3": 13.1, "pm1_ugm3": null, "pm25_ugm3": 5.4, "no2_ugm3": 3.49127, "no_ugm3": 0.15186, "noxasno2_ugm3": 3.72412 }, { "hourKey": "2026-04-09T20", "pm10_ugm3": 5.7, "pm1_ugm3": null, "pm25_ugm3": 2, "no2_ugm3": 3.34305, "no_ugm3": 0.15498, "noxasno2_ugm3": 3.58068 }, { "hourKey": "2026-04-09T21", "pm10_ugm3": 4.7, "pm1_ugm3": null, "pm25_ugm3": 1.8, "no2_ugm3": 8.25387, "no_ugm3": 0.19364, "noxasno2_ugm3": 8.55079 }, { "hourKey": "2026-04-09T22", "pm10_ugm3": 4.7, "pm1_ugm3": null, "pm25_ugm3": 2.1, "no2_ugm3": 6.03681, "no_ugm3": 0.11007, "noxasno2_ugm3": 6.20558 }, { "hourKey": "2026-04-09T23", "pm10_ugm3": 5.4, "pm1_ugm3": null, "pm25_ugm3": 2.8, "no2_ugm3": 3.49318, "no_ugm3": 0.11039, "noxasno2_ugm3": 3.66244 }, { "hourKey": "2026-04-10T00", "pm10_ugm3": 6.6, "pm1_ugm3": null, "pm25_ugm3": 3.6, "no2_ugm3": 4.09418, "no_ugm3": 0.11319, "noxasno2_ugm3": 4.26774 }, { "hourKey": "2026-04-10T01", "pm10_ugm3": 7.3, "pm1_ugm3": null, "pm25_ugm3": 4, "no2_ugm3": 4.14582, "no_ugm3": 0.10477, "noxasno2_ugm3": 4.30647 }, { "hourKey": "2026-04-10T02", "pm10_ugm3": 8.2, "pm1_ugm3": null, "pm25_ugm3": 4.5, "no2_ugm3": 2.31652, "no_ugm3": 0.10384, "noxasno2_ugm3": 2.47573 }, { "hourKey": "2026-04-10T03", "pm10_ugm3": 9.3, "pm1_ugm3": null, "pm25_ugm3": 4.9, "no2_ugm3": 1.95792, "no_ugm3": 0.10415, "noxasno2_ugm3": 2.11762 }, { "hourKey": "2026-04-10T04", "pm10_ugm3": 8.7, "pm1_ugm3": null, "pm25_ugm3": 4.8, "no2_ugm3": 2.54315, "no_ugm3": 0.11132, "noxasno2_ugm3": 2.71384 }, { "hourKey": "2026-04-10T05", "pm10_ugm3": 9.3, "pm1_ugm3": null, "pm25_ugm3": 5, "no2_ugm3": 5.00406, "no_ugm3": 0.15622, "noxasno2_ugm3": 5.2436 }, { "hourKey": "2026-04-10T06", "pm10_ugm3": 9.6, "pm1_ugm3": null, "pm25_ugm3": 5.1, "no2_ugm3": 11.41284, "no_ugm3": 0.28345, "noxasno2_ugm3": 11.84746 }, { "hourKey": "2026-04-10T07", "pm10_ugm3": 10, "pm1_ugm3": null, "pm25_ugm3": 5.3, "no2_ugm3": 13.43866, "no_ugm3": 0.73591, "noxasno2_ugm3": 14.56703 }, { "hourKey": "2026-04-10T08", "pm10_ugm3": 12.8, "pm1_ugm3": null, "pm25_ugm3": 6, "no2_ugm3": 9.22829, "no_ugm3": 1.10168, "noxasno2_ugm3": 10.91751 }, { "hourKey": "2026-04-10T09", "pm10_ugm3": 11.7, "pm1_ugm3": null, "pm25_ugm3": 5.9, "no2_ugm3": 3.88907, "no_ugm3": 0.81636, "noxasno2_ugm3": 5.1408 }, { "hourKey": "2026-04-10T10", "pm10_ugm3": 14.1, "pm1_ugm3": null, "pm25_ugm3": 6.2, "no2_ugm3": 3.16567, "no_ugm3": 0.89743, "noxasno2_ugm3": 4.54171 }, { "hourKey": "2026-04-10T11", "pm10_ugm3": 12.4, "pm1_ugm3": null, "pm25_ugm3": 6.1, "no2_ugm3": 2.99689, "no_ugm3": 0.80295, "noxasno2_ugm3": 4.22806 }, { "hourKey": "2026-04-10T12", "pm10_ugm3": 14.1, "pm1_ugm3": null, "pm25_ugm3": 6.4, "no2_ugm3": 5.40473, "no_ugm3": 1.27786, "noxasno2_ugm3": 7.36408 }, { "hourKey": "2026-04-10T13", "pm10_ugm3": 24.2, "pm1_ugm3": null, "pm25_ugm3": 8, "no2_ugm3": 11.30766, "no_ugm3": 3.30722, "noxasno2_ugm3": 16.37865 }, { "hourKey": "2026-04-10T14", "pm10_ugm3": 38.1, "pm1_ugm3": null, "pm25_ugm3": 8.3, "no2_ugm3": 9.08868, "no_ugm3": 2.3839, "noxasno2_ugm3": 12.74394 }, { "hourKey": "2026-04-10T15", "pm10_ugm3": 41.5, "pm1_ugm3": null, "pm25_ugm3": 8.5, "no2_ugm3": 5.20822, "no_ugm3": 1.05584, "noxasno2_ugm3": 6.82715 }, { "hourKey": "2026-04-10T16", "pm10_ugm3": 20.4, "pm1_ugm3": null, "pm25_ugm3": 5.9, "no2_ugm3": 3.67583, "no_ugm3": 0.47179, "noxasno2_ugm3": 4.39923 }, { "hourKey": "2026-04-10T17", "pm10_ugm3": 13.8, "pm1_ugm3": null, "pm25_ugm3": 5, "no2_ugm3": 3.4994, "no_ugm3": 0.29623, "noxasno2_ugm3": 3.95362 }, { "hourKey": "2026-04-10T18", "pm10_ugm3": 13.9, "pm1_ugm3": null, "pm25_ugm3": 5.8, "no2_ugm3": 4.41023, "no_ugm3": 0.32773, "noxasno2_ugm3": 4.91273 }, { "hourKey": "2026-04-10T19", "pm10_ugm3": 11.1, "pm1_ugm3": null, "pm25_ugm3": 5.3, "no2_ugm3": 5.42528, "no_ugm3": 0.22701, "noxasno2_ugm3": 5.77336 }, { "hourKey": "2026-04-10T20", "pm10_ugm3": 10.2, "pm1_ugm3": null, "pm25_ugm3": 4.6, "no2_ugm3": 4.2534, "no_ugm3": 0.16745, "noxasno2_ugm3": 4.51015 }, { "hourKey": "2026-04-10T21", "pm10_ugm3": 13.5, "pm1_ugm3": null, "pm25_ugm3": 5.7, "no2_ugm3": 5.06, "no_ugm3": 0.16807, "noxasno2_ugm3": 5.31771 }, { "hourKey": "2026-04-10T22", "pm10_ugm3": 8.3, "pm1_ugm3": null, "pm25_ugm3": 5, "no2_ugm3": 5.25459, "no_ugm3": 0.14406, "noxasno2_ugm3": 5.47549 }, { "hourKey": "2026-04-10T23", "pm10_ugm3": 17.2, "pm1_ugm3": null, "pm25_ugm3": 12.5, "no2_ugm3": 5.77958, "no_ugm3": 0.1687, "noxasno2_ugm3": 6.03824 } ], "pollutantsAvailable": [ "no2_ugm3", "no_ugm3", "noxasno2_ugm3", "pm10_ugm3", "pm25_ugm3" ], "ingestNotes": [ "Ingested from 5 CSV file(s): S5 2026-04-07-260412151058.csv, S5 2026-04-07-260412151105.csv, S5 2026-04-07-260412151112.csv, S5 2026-04-07-260412151121.csv, S5 2026-04-07-260412151128.csv." ] } }, "hourlyRollup": [ { "hourKey": "2026-04-07T00", "hourStartLocal": "2026-04-07T00:00:00+01:00", "avg_co2_ppm": 575, "avg_tvoc_ppb": 69, "avg_pm25_ugm3": 5, "avg_temp_c": 19.6, "avg_humidity_pct": 45.65, "avg_pressure_hpa": 1015.05, "avg_no2_ppb": 17.14875, "avg_o3_ppb": null, "avg_vocs_ppb": 17.956666666666663, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 674, "tvoc_ppb": 95, "pm25_ugm3": 4, "temp_c": 18.7, "humidity_pct": 48.9, "pressure_hpa": 1015.9, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 2, "influenza_index": 2, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 476, "tvoc_ppb": 43, "pm25_ugm3": 6, "temp_c": 20.5, "humidity_pct": 42.4, "pressure_hpa": 1014.2, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 1, "norovirus_index": 2, "influenza_index": 2, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 20.273333333333333, "vocs_ppb": 17.418333333333333 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 14.024166666666668, "vocs_ppb": 18.494999999999997 } }, "official_outdoor": { "hourKey": "2026-04-07T00", "pm10_ugm3": 10.7, "pm1_ugm3": 5.1, "pm25_ugm3": 7, "no2_ugm3": 9.55476, "no_ugm3": 0.08635, "noxasno2_ugm3": 9.68716 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-07T00", "pm10_ugm3": 10.7, "pm1_ugm3": 5.1, "pm25_ugm3": 7, "no2_ugm3": 9.55476, "no_ugm3": 0.08635, "noxasno2_ugm3": 9.68716 }, "STN4": { "hourKey": "2026-04-07T00", "pm10_ugm3": null, "pm1_ugm3": null, "pm25_ugm3": null, "no2_ugm3": null, "no_ugm3": null, "noxasno2_ugm3": null }, "STN5": { "hourKey": "2026-04-07T00", "pm10_ugm3": null, "pm1_ugm3": null, "pm25_ugm3": null, "no2_ugm3": null, "no_ugm3": null, "noxasno2_ugm3": null } }, "fusion": { "official_sites_alignment": "partial", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "unavailable" } }, { "hourKey": "2026-04-07T01", "hourStartLocal": "2026-04-07T01:00:00+01:00", "avg_co2_ppm": 530, "avg_tvoc_ppb": 59, "avg_pm25_ugm3": 5, "avg_temp_c": 19.45, "avg_humidity_pct": 45.95, "avg_pressure_hpa": 1015.05, "avg_no2_ppb": 15.57541666666667, "avg_o3_ppb": null, "avg_vocs_ppb": 16.67, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 597, "tvoc_ppb": 77, "pm25_ugm3": 4, "temp_c": 18.5, "humidity_pct": 48.8, "pressure_hpa": 1015.9, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 1, "influenza_index": 1, "vape_index": 1, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 463, "tvoc_ppb": 41, "pm25_ugm3": 6, "temp_c": 20.4, "humidity_pct": 43.1, "pressure_hpa": 1014.2, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 1, "norovirus_index": 2, "influenza_index": 2, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 18.3275, "vocs_ppb": 15.576666666666668 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 12.823333333333336, "vocs_ppb": 17.763333333333335 } }, "official_outdoor": { "hourKey": "2026-04-07T01", "pm10_ugm3": 9.7, "pm1_ugm3": 4.6, "pm25_ugm3": 6.7, "no2_ugm3": 9.42969, "no_ugm3": -0.00746, "noxasno2_ugm3": 9.41826 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-07T01", "pm10_ugm3": 9.7, "pm1_ugm3": 4.6, "pm25_ugm3": 6.7, "no2_ugm3": 9.42969, "no_ugm3": -0.00746, "noxasno2_ugm3": 9.41826 }, "STN4": { "hourKey": "2026-04-07T01", "pm10_ugm3": 9.4, "pm1_ugm3": 4.7, "pm25_ugm3": 6.6, "no2_ugm3": 12.99783, "no_ugm3": 0.47086, "noxasno2_ugm3": 13.7198 }, "STN5": { "hourKey": "2026-04-07T01", "pm10_ugm3": 9.6, "pm1_ugm3": null, "pm25_ugm3": 6.5, "no2_ugm3": 8.45994, "no_ugm3": 0.22077, "noxasno2_ugm3": 8.79846 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-07T02", "hourStartLocal": "2026-04-07T02:00:00+01:00", "avg_co2_ppm": 504, "avg_tvoc_ppb": 52.5, "avg_pm25_ugm3": 4.5, "avg_temp_c": 19.2, "avg_humidity_pct": 46.15, "avg_pressure_hpa": 1014.85, "avg_no2_ppb": 16.528333333333336, "avg_o3_ppb": null, "avg_vocs_ppb": 16.447916666666668, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 562, "tvoc_ppb": 67, "pm25_ugm3": 3, "temp_c": 18.2, "humidity_pct": 49.3, "pressure_hpa": 1015.7, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 1, "influenza_index": 2, "vape_index": 1, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 446, "tvoc_ppb": 38, "pm25_ugm3": 6, "temp_c": 20.2, "humidity_pct": 43, "pressure_hpa": 1014, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 1, "norovirus_index": 2, "influenza_index": 2, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 17.010833333333334, "vocs_ppb": 15.4625 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 16.045833333333334, "vocs_ppb": 17.433333333333334 } }, "official_outdoor": { "hourKey": "2026-04-07T02", "pm10_ugm3": 10, "pm1_ugm3": 4.7, "pm25_ugm3": 6.8, "no2_ugm3": 10.19973, "no_ugm3": -0.00224, "noxasno2_ugm3": 10.19629 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-07T02", "pm10_ugm3": 10, "pm1_ugm3": 4.7, "pm25_ugm3": 6.8, "no2_ugm3": 10.19973, "no_ugm3": -0.00224, "noxasno2_ugm3": 10.19629 }, "STN4": { "hourKey": "2026-04-07T02", "pm10_ugm3": 10.1, "pm1_ugm3": 4.6, "pm25_ugm3": 6.6, "no2_ugm3": 11.51229, "no_ugm3": 0.31338, "noxasno2_ugm3": 11.99281 }, "STN5": { "hourKey": "2026-04-07T02", "pm10_ugm3": 9.9, "pm1_ugm3": null, "pm25_ugm3": 6.2, "no2_ugm3": 8.97058, "no_ugm3": 0.21797, "noxasno2_ugm3": 9.30479 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-07T03", "hourStartLocal": "2026-04-07T03:00:00+01:00", "avg_co2_ppm": 486.5, "avg_tvoc_ppb": 44, "avg_pm25_ugm3": 5, "avg_temp_c": 19.05, "avg_humidity_pct": 46.349999999999994, "avg_pressure_hpa": 1014.55, "avg_no2_ppb": 13.832500000000003, "avg_o3_ppb": null, "avg_vocs_ppb": 16.048750000000002, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 533, "tvoc_ppb": 58, "pm25_ugm3": 3, "temp_c": 18.1, "humidity_pct": 49.3, "pressure_hpa": 1015.4, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 1, "influenza_index": 2, "vape_index": 1, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 440, "tvoc_ppb": 30, "pm25_ugm3": 7, "temp_c": 20, "humidity_pct": 43.4, "pressure_hpa": 1013.7, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 1, "norovirus_index": 2, "influenza_index": 2, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 17.55416666666667, "vocs_ppb": 15.520000000000001 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 10.110833333333334, "vocs_ppb": 16.5775 } }, "official_outdoor": { "hourKey": "2026-04-07T03", "pm10_ugm3": 11.1, "pm1_ugm3": 5.1, "pm25_ugm3": 7.4, "no2_ugm3": 10.05071, "no_ugm3": -0.00807, "noxasno2_ugm3": 10.03833 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-07T03", "pm10_ugm3": 11.1, "pm1_ugm3": 5.1, "pm25_ugm3": 7.4, "no2_ugm3": 10.05071, "no_ugm3": -0.00807, "noxasno2_ugm3": 10.03833 }, "STN4": { "hourKey": "2026-04-07T03", "pm10_ugm3": 10.4, "pm1_ugm3": 5.1, "pm25_ugm3": 7.2, "no2_ugm3": 11.19625, "no_ugm3": 0.32118, "noxasno2_ugm3": 11.68872 }, "STN5": { "hourKey": "2026-04-07T03", "pm10_ugm3": 11.2, "pm1_ugm3": null, "pm25_ugm3": 7.3, "no2_ugm3": 9.50321, "no_ugm3": 0.21984, "noxasno2_ugm3": 9.84029 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-07T04", "hourStartLocal": "2026-04-07T04:00:00+01:00", "avg_co2_ppm": 491, "avg_tvoc_ppb": 52, "avg_pm25_ugm3": 4.5, "avg_temp_c": 19, "avg_humidity_pct": 46.7, "avg_pressure_hpa": 1014.25, "avg_no2_ppb": 16.363749999999996, "avg_o3_ppb": null, "avg_vocs_ppb": 16.35833333333333, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 529, "tvoc_ppb": 56, "pm25_ugm3": 3, "temp_c": 18, "humidity_pct": 49.4, "pressure_hpa": 1015.1, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 1, "influenza_index": 2, "vape_index": 1, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 453, "tvoc_ppb": 48, "pm25_ugm3": 6, "temp_c": 20, "humidity_pct": 44, "pressure_hpa": 1013.4, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 1, "norovirus_index": 2, "influenza_index": 2, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 23.384166666666662, "vocs_ppb": 16.121666666666666 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 9.343333333333332, "vocs_ppb": 16.594999999999995 } }, "official_outdoor": { "hourKey": "2026-04-07T04", "pm10_ugm3": 11.2, "pm1_ugm3": 4.8, "pm25_ugm3": 7.2, "no2_ugm3": 8.59006, "no_ugm3": -0.0283, "noxasno2_ugm3": 8.54666 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-07T04", "pm10_ugm3": 11.2, "pm1_ugm3": 4.8, "pm25_ugm3": 7.2, "no2_ugm3": 8.59006, "no_ugm3": -0.0283, "noxasno2_ugm3": 8.54666 }, "STN4": { "hourKey": "2026-04-07T04", "pm10_ugm3": 11.1, "pm1_ugm3": 4.8, "pm25_ugm3": 7, "no2_ugm3": 8.53262, "no_ugm3": 0.27004, "noxasno2_ugm3": 8.94668 }, "STN5": { "hourKey": "2026-04-07T04", "pm10_ugm3": 11.6, "pm1_ugm3": null, "pm25_ugm3": 7.4, "no2_ugm3": 8.68849, "no_ugm3": 0.20456, "noxasno2_ugm3": 9.00214 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-07T05", "hourStartLocal": "2026-04-07T05:00:00+01:00", "avg_co2_ppm": 829.5, "avg_tvoc_ppb": 195.5, "avg_pm25_ugm3": 5.5, "avg_temp_c": 19.200000000000003, "avg_humidity_pct": 49.85, "avg_pressure_hpa": 1014.15, "avg_no2_ppb": 23.835727272727272, "avg_o3_ppb": null, "avg_vocs_ppb": 17.99431818181818, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 740, "tvoc_ppb": 90, "pm25_ugm3": 4, "temp_c": 18.1, "humidity_pct": 51.5, "pressure_hpa": 1015, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 2, "influenza_index": 3, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 919, "tvoc_ppb": 301, "pm25_ugm3": 7, "temp_c": 20.3, "humidity_pct": 48.2, "pressure_hpa": 1013.3, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 4, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 11, "no2_ppb": 24.115454545454543, "vocs_ppb": 17.69363636363636 }, "K-A3 RENT 5": { "samples": 10, "no2_ppb": 23.556, "vocs_ppb": 18.295 } }, "official_outdoor": { "hourKey": "2026-04-07T05", "pm10_ugm3": 12.1, "pm1_ugm3": 5.4, "pm25_ugm3": 7.7, "no2_ugm3": 10.59887, "no_ugm3": 0.02749, "noxasno2_ugm3": 10.64102 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-07T05", "pm10_ugm3": 12.1, "pm1_ugm3": 5.4, "pm25_ugm3": 7.7, "no2_ugm3": 10.59887, "no_ugm3": 0.02749, "noxasno2_ugm3": 10.64102 }, "STN4": { "hourKey": "2026-04-07T05", "pm10_ugm3": 11.2, "pm1_ugm3": 5.2, "pm25_ugm3": 7.3, "no2_ugm3": 12.84339, "no_ugm3": 0.32866, "noxasno2_ugm3": 13.34734 }, "STN5": { "hourKey": "2026-04-07T05", "pm10_ugm3": 11.9, "pm1_ugm3": null, "pm25_ugm3": 7.6, "no2_ugm3": 9.28567, "no_ugm3": 0.2005, "noxasno2_ugm3": 9.5931 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-07T06", "hourStartLocal": "2026-04-07T06:00:00+01:00", "avg_co2_ppm": 953, "avg_tvoc_ppb": 203, "avg_pm25_ugm3": 8, "avg_temp_c": 19.25, "avg_humidity_pct": 50.9, "avg_pressure_hpa": 1013.95, "avg_no2_ppb": 26.037083333333335, "avg_o3_ppb": null, "avg_vocs_ppb": 20.6475, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 983, "tvoc_ppb": 133, "pm25_ugm3": 6, "temp_c": 18.2, "humidity_pct": 53.9, "pressure_hpa": 1014.8, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 3, "norovirus_index": 3, "influenza_index": 4, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 923, "tvoc_ppb": 273, "pm25_ugm3": 10, "temp_c": 20.3, "humidity_pct": 47.9, "pressure_hpa": 1013.1, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 4, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 27.905833333333334, "vocs_ppb": 19.925 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 24.168333333333333, "vocs_ppb": 21.37 } }, "official_outdoor": { "hourKey": "2026-04-07T06", "pm10_ugm3": 16, "pm1_ugm3": 8, "pm25_ugm3": 10.3, "no2_ugm3": 16.76731, "no_ugm3": 11.88397, "noxasno2_ugm3": 34.98914 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-07T06", "pm10_ugm3": 16, "pm1_ugm3": 8, "pm25_ugm3": 10.3, "no2_ugm3": 16.76731, "no_ugm3": 11.88397, "noxasno2_ugm3": 34.98914 }, "STN4": { "hourKey": "2026-04-07T06", "pm10_ugm3": 14.1, "pm1_ugm3": 7.8, "pm25_ugm3": 9.8, "no2_ugm3": 20.18787, "no_ugm3": 0.95886, "noxasno2_ugm3": 21.65811 }, "STN5": { "hourKey": "2026-04-07T06", "pm10_ugm3": 14.1, "pm1_ugm3": null, "pm25_ugm3": 10.1, "no2_ugm3": 15.1054, "no_ugm3": 0.7384, "noxasno2_ugm3": 16.2376 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-07T07", "hourStartLocal": "2026-04-07T07:00:00+01:00", "avg_co2_ppm": 1116.5, "avg_tvoc_ppb": 274, "avg_pm25_ugm3": 6, "avg_temp_c": 19.7, "avg_humidity_pct": 52.7, "avg_pressure_hpa": 1014.25, "avg_no2_ppb": 29.063750000000002, "avg_o3_ppb": null, "avg_vocs_ppb": 23.174166666666665, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 1148, "tvoc_ppb": 182, "pm25_ugm3": 5, "temp_c": 18.4, "humidity_pct": 56, "pressure_hpa": 1015.1, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 4, "norovirus_index": 4, "influenza_index": 4, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 1085, "tvoc_ppb": 366, "pm25_ugm3": 7, "temp_c": 21, "humidity_pct": 49.4, "pressure_hpa": 1013.4, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 4, "vape_index": 4, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 32.62833333333334, "vocs_ppb": 24.09 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 25.499166666666667, "vocs_ppb": 22.25833333333333 } }, "official_outdoor": { "hourKey": "2026-04-07T07", "pm10_ugm3": 20.7, "pm1_ugm3": 8.9, "pm25_ugm3": 11.4, "no2_ugm3": 19.55224, "no_ugm3": 2.60872, "noxasno2_ugm3": 23.55222 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-07T07", "pm10_ugm3": 20.7, "pm1_ugm3": 8.9, "pm25_ugm3": 11.4, "no2_ugm3": 19.55224, "no_ugm3": 2.60872, "noxasno2_ugm3": 23.55222 }, "STN4": { "hourKey": "2026-04-07T07", "pm10_ugm3": 16.2, "pm1_ugm3": 8.6, "pm25_ugm3": 10.8, "no2_ugm3": 21.94259, "no_ugm3": 3.58599, "noxasno2_ugm3": 27.44103 }, "STN5": { "hourKey": "2026-04-07T07", "pm10_ugm3": 16.3, "pm1_ugm3": null, "pm25_ugm3": 11.1, "no2_ugm3": 16.77358, "no_ugm3": 2.64459, "noxasno2_ugm3": 20.82856 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-07T08", "hourStartLocal": "2026-04-07T08:00:00+01:00", "avg_co2_ppm": 1092.5, "avg_tvoc_ppb": 247, "avg_pm25_ugm3": 6, "avg_temp_c": 19.75, "avg_humidity_pct": 52.95, "avg_pressure_hpa": 1014.45, "avg_no2_ppb": 22.867083333333337, "avg_o3_ppb": null, "avg_vocs_ppb": 26.114583333333332, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 1208, "tvoc_ppb": 196, "pm25_ugm3": 6, "temp_c": 18.6, "humidity_pct": 56.9, "pressure_hpa": 1015.3, "no2_ppb": null, "o3_ppb": null, "virus_index": 5, "mold_index": 4, "norovirus_index": 4, "influenza_index": 4, "vape_index": 3, "pollen_index": 2, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 977, "tvoc_ppb": 298, "pm25_ugm3": 6, "temp_c": 20.9, "humidity_pct": 49, "pressure_hpa": 1013.6, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 4, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 25.743333333333336, "vocs_ppb": 28.164166666666663 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 19.990833333333338, "vocs_ppb": 24.065 } }, "official_outdoor": { "hourKey": "2026-04-07T08", "pm10_ugm3": 25.1, "pm1_ugm3": 8.9, "pm25_ugm3": 12, "no2_ugm3": 27.12593, "no_ugm3": 17.13042, "noxasno2_ugm3": 53.3922 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-07T08", "pm10_ugm3": 25.1, "pm1_ugm3": 8.9, "pm25_ugm3": 12, "no2_ugm3": 27.12593, "no_ugm3": 17.13042, "noxasno2_ugm3": 53.3922 }, "STN4": { "hourKey": "2026-04-07T08", "pm10_ugm3": 22.6, "pm1_ugm3": 8.7, "pm25_ugm3": 11.6, "no2_ugm3": 19.50081, "no_ugm3": 5.40518, "noxasno2_ugm3": 27.78863 }, "STN5": { "hourKey": "2026-04-07T08", "pm10_ugm3": 17.5, "pm1_ugm3": null, "pm25_ugm3": 10.8, "no2_ugm3": 17.15943, "no_ugm3": 4.76874, "noxasno2_ugm3": 24.47139 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-07T09", "hourStartLocal": "2026-04-07T09:00:00+01:00", "avg_co2_ppm": 899, "avg_tvoc_ppb": 156.5, "avg_pm25_ugm3": 6.5, "avg_temp_c": 19.85, "avg_humidity_pct": 51.05, "avg_pressure_hpa": 1014.45, "avg_no2_ppb": 22.801704545454548, "avg_o3_ppb": null, "avg_vocs_ppb": 27.87556818181818, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 947, "tvoc_ppb": 123, "pm25_ugm3": 5, "temp_c": 18.8, "humidity_pct": 54, "pressure_hpa": 1015.3, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 3, "norovirus_index": 3, "influenza_index": 4, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 851, "tvoc_ppb": 190, "pm25_ugm3": 8, "temp_c": 20.9, "humidity_pct": 48.1, "pressure_hpa": 1013.6, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 3, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 29.892500000000002, "vocs_ppb": 29.9575 }, "K-A3 RENT 5": { "samples": 11, "no2_ppb": 15.710909090909091, "vocs_ppb": 25.79363636363636 } }, "official_outdoor": { "hourKey": "2026-04-07T09", "pm10_ugm3": 22.1, "pm1_ugm3": 8.2, "pm25_ugm3": 11, "no2_ugm3": 28.52412, "no_ugm3": 24.33884, "noxasno2_ugm3": 65.84316 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-07T09", "pm10_ugm3": 22.1, "pm1_ugm3": 8.2, "pm25_ugm3": 11, "no2_ugm3": 28.52412, "no_ugm3": 24.33884, "noxasno2_ugm3": 65.84316 }, "STN4": { "hourKey": "2026-04-07T09", "pm10_ugm3": 22.5, "pm1_ugm3": 7.7, "pm25_ugm3": 10.7, "no2_ugm3": 15.78386, "no_ugm3": 4.89752, "noxasno2_ugm3": 23.29329 }, "STN5": { "hourKey": "2026-04-07T09", "pm10_ugm3": 22, "pm1_ugm3": null, "pm25_ugm3": 10.2, "no2_ugm3": 14.7535, "no_ugm3": 4.43322, "noxasno2_ugm3": 21.55101 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-07T10", "hourStartLocal": "2026-04-07T10:00:00+01:00", "avg_co2_ppm": 879.5, "avg_tvoc_ppb": 135, "avg_pm25_ugm3": 6.5, "avg_temp_c": 20.1, "avg_humidity_pct": 50.900000000000006, "avg_pressure_hpa": 1014.35, "avg_no2_ppb": 13.622916666666667, "avg_o3_ppb": null, "avg_vocs_ppb": 31.73375, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 952, "tvoc_ppb": 115, "pm25_ugm3": 4, "temp_c": 19.3, "humidity_pct": 53.6, "pressure_hpa": 1015.2, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 3, "norovirus_index": 3, "influenza_index": 3, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 807, "tvoc_ppb": 155, "pm25_ugm3": 9, "temp_c": 20.9, "humidity_pct": 48.2, "pressure_hpa": 1013.5, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 3, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 14.365, "vocs_ppb": 33.8875 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 12.880833333333333, "vocs_ppb": 29.58 } }, "official_outdoor": { "hourKey": "2026-04-07T10", "pm10_ugm3": 21.9, "pm1_ugm3": 7.2, "pm25_ugm3": 10.1, "no2_ugm3": 15.01871, "no_ugm3": 6.09859, "noxasno2_ugm3": 24.36974 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-07T10", "pm10_ugm3": 21.9, "pm1_ugm3": 7.2, "pm25_ugm3": 10.1, "no2_ugm3": 15.01871, "no_ugm3": 6.09859, "noxasno2_ugm3": 24.36974 }, "STN4": { "hourKey": "2026-04-07T10", "pm10_ugm3": 25.7, "pm1_ugm3": 6.7, "pm25_ugm3": 10.1, "no2_ugm3": 9.94404, "no_ugm3": 2.8401, "noxasno2_ugm3": 14.29881 }, "STN5": { "hourKey": "2026-04-07T10", "pm10_ugm3": 22.7, "pm1_ugm3": null, "pm25_ugm3": 9.2, "no2_ugm3": 9.97178, "no_ugm3": 2.75747, "noxasno2_ugm3": 14.19983 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-07T11", "hourStartLocal": "2026-04-07T11:00:00+01:00", "avg_co2_ppm": 811.5, "avg_tvoc_ppb": 79, "avg_pm25_ugm3": 6, "avg_temp_c": 20.45, "avg_humidity_pct": 48.7, "avg_pressure_hpa": 1014.15, "avg_no2_ppb": 13.145, "avg_o3_ppb": null, "avg_vocs_ppb": 34.86541666666666, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 888, "tvoc_ppb": 93, "pm25_ugm3": 6, "temp_c": 19.9, "humidity_pct": 51.1, "pressure_hpa": 1015, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 735, "tvoc_ppb": 65, "pm25_ugm3": 6, "temp_c": 21, "humidity_pct": 46.3, "pressure_hpa": 1013.3, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 2, "influenza_index": 2, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 15.64583333333333, "vocs_ppb": 36.90333333333332 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 10.644166666666667, "vocs_ppb": 32.82749999999999 } }, "official_outdoor": { "hourKey": "2026-04-07T11", "pm10_ugm3": 20.5, "pm1_ugm3": 6.2, "pm25_ugm3": 8.8, "no2_ugm3": 13.7389, "no_ugm3": 5.3095, "noxasno2_ugm3": 21.88002 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-07T11", "pm10_ugm3": 20.5, "pm1_ugm3": 6.2, "pm25_ugm3": 8.8, "no2_ugm3": 13.7389, "no_ugm3": 5.3095, "noxasno2_ugm3": 21.88002 }, "STN4": { "hourKey": "2026-04-07T11", "pm10_ugm3": 18.3, "pm1_ugm3": 5.4, "pm25_ugm3": 8, "no2_ugm3": 11.02604, "no_ugm3": 3.05713, "noxasno2_ugm3": 15.71358 }, "STN5": { "hourKey": "2026-04-07T11", "pm10_ugm3": 18.6, "pm1_ugm3": null, "pm25_ugm3": 8.5, "no2_ugm3": 10.77742, "no_ugm3": 3.17157, "noxasno2_ugm3": 15.64043 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-07T12", "hourStartLocal": "2026-04-07T12:00:00+01:00", "avg_co2_ppm": 808.5, "avg_tvoc_ppb": 70.5, "avg_pm25_ugm3": 5.5, "avg_temp_c": 20.9, "avg_humidity_pct": 46.4, "avg_pressure_hpa": 1013.95, "avg_no2_ppb": 12.3525, "avg_o3_ppb": null, "avg_vocs_ppb": 38.894999999999996, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 916, "tvoc_ppb": 93, "pm25_ugm3": 5, "temp_c": 20.4, "humidity_pct": 49, "pressure_hpa": 1014.8, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 701, "tvoc_ppb": 48, "pm25_ugm3": 6, "temp_c": 21.4, "humidity_pct": 43.8, "pressure_hpa": 1013.1, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 1, "norovirus_index": 2, "influenza_index": 3, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 15.970833333333333, "vocs_ppb": 38.383333333333326 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 8.734166666666665, "vocs_ppb": 39.406666666666666 } }, "official_outdoor": { "hourKey": "2026-04-07T12", "pm10_ugm3": 23, "pm1_ugm3": 5.4, "pm25_ugm3": 8.4, "no2_ugm3": 21.8882, "no_ugm3": 13.87905, "noxasno2_ugm3": 43.16911 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-07T12", "pm10_ugm3": 23, "pm1_ugm3": 5.4, "pm25_ugm3": 8.4, "no2_ugm3": 21.8882, "no_ugm3": 13.87905, "noxasno2_ugm3": 43.16911 }, "STN4": { "hourKey": "2026-04-07T12", "pm10_ugm3": 17, "pm1_ugm3": 4.4, "pm25_ugm3": 6.9, "no2_ugm3": 12.1831, "no_ugm3": 3.36865, "noxasno2_ugm3": 17.34829 }, "STN5": { "hourKey": "2026-04-07T12", "pm10_ugm3": 20.6, "pm1_ugm3": null, "pm25_ugm3": 7.7, "no2_ugm3": 12.04445, "no_ugm3": 3.22552, "noxasno2_ugm3": 16.99017 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "perimeter_higher" } }, { "hourKey": "2026-04-07T13", "hourStartLocal": "2026-04-07T13:00:00+01:00", "avg_co2_ppm": 855, "avg_tvoc_ppb": 68.5, "avg_pm25_ugm3": 7.5, "avg_temp_c": 21.3, "avg_humidity_pct": 43.95, "avg_pressure_hpa": 1013.8, "avg_no2_ppb": 11.620416666666667, "avg_o3_ppb": null, "avg_vocs_ppb": 38.04, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 1043, "tvoc_ppb": 111, "pm25_ugm3": 6, "temp_c": 21, "humidity_pct": 47.4, "pressure_hpa": 1014.6, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 667, "tvoc_ppb": 26, "pm25_ugm3": 9, "temp_c": 21.6, "humidity_pct": 40.5, "pressure_hpa": 1013, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 1, "norovirus_index": 3, "influenza_index": 3, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 17.968333333333334, "vocs_ppb": 35.555 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 5.2725, "vocs_ppb": 40.525 } }, "official_outdoor": { "hourKey": "2026-04-07T13", "pm10_ugm3": 27.4, "pm1_ugm3": 4.1, "pm25_ugm3": 7.7, "no2_ugm3": 17.47466, "no_ugm3": 11.05932, "noxasno2_ugm3": 34.43206 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-07T13", "pm10_ugm3": 27.4, "pm1_ugm3": 4.1, "pm25_ugm3": 7.7, "no2_ugm3": 17.47466, "no_ugm3": 11.05932, "noxasno2_ugm3": 34.43206 }, "STN4": { "hourKey": "2026-04-07T13", "pm10_ugm3": 13, "pm1_ugm3": 3.3, "pm25_ugm3": 5.3, "no2_ugm3": 8.60338, "no_ugm3": 1.98913, "noxasno2_ugm3": 11.65334 }, "STN5": { "hourKey": "2026-04-07T13", "pm10_ugm3": 18.5, "pm1_ugm3": null, "pm25_ugm3": 6.1, "no2_ugm3": 8.14247, "no_ugm3": 1.87781, "noxasno2_ugm3": 11.02174 } }, "fusion": { "official_sites_alignment": "partial", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "perimeter_higher" } }, { "hourKey": "2026-04-07T14", "hourStartLocal": "2026-04-07T14:00:00+01:00", "avg_co2_ppm": 787.5, "avg_tvoc_ppb": 57, "avg_pm25_ugm3": 6.5, "avg_temp_c": 21.6, "avg_humidity_pct": 42.25, "avg_pressure_hpa": 1013.65, "avg_no2_ppb": 5.366666666666667, "avg_o3_ppb": null, "avg_vocs_ppb": 39.05541666666666, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 911, "tvoc_ppb": 84, "pm25_ugm3": 5, "temp_c": 21.3, "humidity_pct": 44.6, "pressure_hpa": 1014.5, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 1, "norovirus_index": 3, "influenza_index": 3, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 664, "tvoc_ppb": 30, "pm25_ugm3": 8, "temp_c": 21.9, "humidity_pct": 39.9, "pressure_hpa": 1012.8, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 1, "norovirus_index": 3, "influenza_index": 3, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 8.038333333333334, "vocs_ppb": 35.01333333333333 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 2.695, "vocs_ppb": 43.0975 } }, "official_outdoor": { "hourKey": "2026-04-07T14", "pm10_ugm3": 15.8, "pm1_ugm3": 3.5, "pm25_ugm3": 5.7, "no2_ugm3": 9.05829, "no_ugm3": 2.23962, "noxasno2_ugm3": 12.49233 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-07T14", "pm10_ugm3": 15.8, "pm1_ugm3": 3.5, "pm25_ugm3": 5.7, "no2_ugm3": 9.05829, "no_ugm3": 2.23962, "noxasno2_ugm3": 12.49233 }, "STN4": { "hourKey": "2026-04-07T14", "pm10_ugm3": 14.7, "pm1_ugm3": 3.3, "pm25_ugm3": 5.6, "no2_ugm3": 9.24837, "no_ugm3": 2.11261, "noxasno2_ugm3": 12.48767 }, "STN5": { "hourKey": "2026-04-07T14", "pm10_ugm3": 14.9, "pm1_ugm3": null, "pm25_ugm3": 6.1, "no2_ugm3": 7.72841, "no_ugm3": 1.72658, "noxasno2_ugm3": 10.37579 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-07T15", "hourStartLocal": "2026-04-07T15:00:00+01:00", "avg_co2_ppm": 821, "avg_tvoc_ppb": 64.5, "avg_pm25_ugm3": 6, "avg_temp_c": 22.05, "avg_humidity_pct": 41.8, "avg_pressure_hpa": 1013.35, "avg_no2_ppb": 7.361666666666666, "avg_o3_ppb": null, "avg_vocs_ppb": 39.69333333333333, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 856, "tvoc_ppb": 70, "pm25_ugm3": 5, "temp_c": 21.6, "humidity_pct": 43.1, "pressure_hpa": 1014.2, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 1, "norovirus_index": 3, "influenza_index": 3, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 786, "tvoc_ppb": 59, "pm25_ugm3": 7, "temp_c": 22.5, "humidity_pct": 40.5, "pressure_hpa": 1012.5, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 1, "norovirus_index": 3, "influenza_index": 3, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 11.8025, "vocs_ppb": 36.788333333333334 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 2.920833333333333, "vocs_ppb": 42.59833333333333 } }, "official_outdoor": { "hourKey": "2026-04-07T15", "pm10_ugm3": 15, "pm1_ugm3": 4.2, "pm25_ugm3": 6.3, "no2_ugm3": 9.00463, "no_ugm3": 1.90363, "noxasno2_ugm3": 11.92349 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-07T15", "pm10_ugm3": 15, "pm1_ugm3": 4.2, "pm25_ugm3": 6.3, "no2_ugm3": 9.00463, "no_ugm3": 1.90363, "noxasno2_ugm3": 11.92349 }, "STN4": { "hourKey": "2026-04-07T15", "pm10_ugm3": 27, "pm1_ugm3": 3.6, "pm25_ugm3": 7, "no2_ugm3": 8.75829, "no_ugm3": 1.83291, "noxasno2_ugm3": 11.56871 }, "STN5": { "hourKey": "2026-04-07T15", "pm10_ugm3": 45.9, "pm1_ugm3": null, "pm25_ugm3": 9.2, "no2_ugm3": 8.09609, "no_ugm3": 1.846, "noxasno2_ugm3": 10.92659 } }, "fusion": { "official_sites_alignment": "partial", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-07T16", "hourStartLocal": "2026-04-07T16:00:00+01:00", "avg_co2_ppm": 831.5, "avg_tvoc_ppb": 72.5, "avg_pm25_ugm3": 6.5, "avg_temp_c": 22.25, "avg_humidity_pct": 43.05, "avg_pressure_hpa": 1013.05, "avg_no2_ppb": 5.412083333333333, "avg_o3_ppb": null, "avg_vocs_ppb": 39.33833333333333, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 991, "tvoc_ppb": 106, "pm25_ugm3": 4, "temp_c": 22, "humidity_pct": 45.4, "pressure_hpa": 1013.9, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 672, "tvoc_ppb": 39, "pm25_ugm3": 9, "temp_c": 22.5, "humidity_pct": 40.7, "pressure_hpa": 1012.2, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 1, "norovirus_index": 3, "influenza_index": 3, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 9.6075, "vocs_ppb": 36.350833333333334 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 1.2166666666666666, "vocs_ppb": 42.32583333333333 } }, "official_outdoor": { "hourKey": "2026-04-07T16", "pm10_ugm3": 19.1, "pm1_ugm3": 8.1, "pm25_ugm3": 10.2, "no2_ugm3": 12.77982, "no_ugm3": 5.06119, "noxasno2_ugm3": 20.5402 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-07T16", "pm10_ugm3": 19.1, "pm1_ugm3": 8.1, "pm25_ugm3": 10.2, "no2_ugm3": 12.77982, "no_ugm3": 5.06119, "noxasno2_ugm3": 20.5402 }, "STN4": { "hourKey": "2026-04-07T16", "pm10_ugm3": 22.6, "pm1_ugm3": 7.7, "pm25_ugm3": 10.4, "no2_ugm3": 9.76379, "no_ugm3": 1.73687, "noxasno2_ugm3": 12.42695 }, "STN5": { "hourKey": "2026-04-07T16", "pm10_ugm3": 27.2, "pm1_ugm3": null, "pm25_ugm3": 10.9, "no2_ugm3": 7.62992, "no_ugm3": 1.43034, "noxasno2_ugm3": 9.82308 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-07T17", "hourStartLocal": "2026-04-07T17:00:00+01:00", "avg_co2_ppm": 955.5, "avg_tvoc_ppb": 139.5, "avg_pm25_ugm3": 7, "avg_temp_c": 22.6, "avg_humidity_pct": 44.849999999999994, "avg_pressure_hpa": 1012.95, "avg_no2_ppb": 7.670416666666668, "avg_o3_ppb": null, "avg_vocs_ppb": 39.374583333333334, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 1264, "tvoc_ppb": 176, "pm25_ugm3": 6, "temp_c": 22.8, "humidity_pct": 48.3, "pressure_hpa": 1013.8, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 647, "tvoc_ppb": 103, "pm25_ugm3": 8, "temp_c": 22.4, "humidity_pct": 41.4, "pressure_hpa": 1012.1, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 1, "norovirus_index": 3, "influenza_index": 3, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 10.96, "vocs_ppb": 35.665 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 4.380833333333334, "vocs_ppb": 43.08416666666667 } }, "official_outdoor": { "hourKey": "2026-04-07T17", "pm10_ugm3": 26.2, "pm1_ugm3": 12.3, "pm25_ugm3": 14.6, "no2_ugm3": 16.82262, "no_ugm3": 6.48761, "noxasno2_ugm3": 26.77014 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-07T17", "pm10_ugm3": 26.2, "pm1_ugm3": 12.3, "pm25_ugm3": 14.6, "no2_ugm3": 16.82262, "no_ugm3": 6.48761, "noxasno2_ugm3": 26.77014 }, "STN4": { "hourKey": "2026-04-07T17", "pm10_ugm3": 21.6, "pm1_ugm3": 12.1, "pm25_ugm3": 14.1, "no2_ugm3": 10.62537, "no_ugm3": 1.329, "noxasno2_ugm3": 12.66314 }, "STN5": { "hourKey": "2026-04-07T17", "pm10_ugm3": 23.5, "pm1_ugm3": null, "pm25_ugm3": 14, "no2_ugm3": 8.38344, "no_ugm3": 0.93579, "noxasno2_ugm3": 9.8183 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-07T18", "hourStartLocal": "2026-04-07T18:00:00+01:00", "avg_co2_ppm": 940.5, "avg_tvoc_ppb": 147, "avg_pm25_ugm3": 8, "avg_temp_c": 23.4, "avg_humidity_pct": 43.25, "avg_pressure_hpa": 1012.8, "avg_no2_ppb": 12.512916666666667, "avg_o3_ppb": null, "avg_vocs_ppb": 40.62291666666667, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "likely_broad_outdoor_regional", "interpretation_reason": "Perimeter-side, airport-side, and forest-background official monitors rise together versus their rolling medians while indoor CO2 is not the dominant spike — consistent with broad outdoor uplift, not a single local indoor driver.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 972, "tvoc_ppb": 140, "pm25_ugm3": 7, "temp_c": 23.6, "humidity_pct": 43.1, "pressure_hpa": 1013.6, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 4, "influenza_index": 4, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 909, "tvoc_ppb": 154, "pm25_ugm3": 9, "temp_c": 23.2, "humidity_pct": 43.4, "pressure_hpa": 1012, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 4, "vape_index": 3, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 17.23, "vocs_ppb": 37.303333333333335 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 7.795833333333333, "vocs_ppb": 43.942499999999995 } }, "official_outdoor": { "hourKey": "2026-04-07T18", "pm10_ugm3": 25.7, "pm1_ugm3": 14.9, "pm25_ugm3": 16.8, "no2_ugm3": 12.5716, "no_ugm3": 0.68016, "noxasno2_ugm3": 13.61449 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-07T18", "pm10_ugm3": 25.7, "pm1_ugm3": 14.9, "pm25_ugm3": 16.8, "no2_ugm3": 12.5716, "no_ugm3": 0.68016, "noxasno2_ugm3": 13.61449 }, "STN4": { "hourKey": "2026-04-07T18", "pm10_ugm3": 25, "pm1_ugm3": 14.6, "pm25_ugm3": 16.5, "no2_ugm3": 18.9108, "no_ugm3": 1.48834, "noxasno2_ugm3": 21.19289 }, "STN5": { "hourKey": "2026-04-07T18", "pm10_ugm3": 25.3, "pm1_ugm3": null, "pm25_ugm3": 16.7, "no2_ugm3": 10.60625, "no_ugm3": 0.68165, "noxasno2_ugm3": 11.65143 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-07T19", "hourStartLocal": "2026-04-07T19:00:00+01:00", "avg_co2_ppm": 1019.5, "avg_tvoc_ppb": 143, "avg_pm25_ugm3": 8, "avg_temp_c": 22.65, "avg_humidity_pct": 45.2, "avg_pressure_hpa": 1012.95, "avg_no2_ppb": 13.8625, "avg_o3_ppb": null, "avg_vocs_ppb": 36.754999999999995, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 1160, "tvoc_ppb": 167, "pm25_ugm3": 5, "temp_c": 22.9, "humidity_pct": 46.8, "pressure_hpa": 1013.8, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 879, "tvoc_ppb": 119, "pm25_ugm3": 11, "temp_c": 22.4, "humidity_pct": 43.6, "pressure_hpa": 1012.1, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 2, "norovirus_index": 3, "influenza_index": 4, "vape_index": 3, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 18.38416666666667, "vocs_ppb": 33.634166666666665 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 9.340833333333334, "vocs_ppb": 39.87583333333333 } }, "official_outdoor": { "hourKey": "2026-04-07T19", "pm10_ugm3": 25.9, "pm1_ugm3": 16.4, "pm25_ugm3": 18.1, "no2_ugm3": 13.34251, "no_ugm3": 0.33129, "noxasno2_ugm3": 13.85049 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-07T19", "pm10_ugm3": 25.9, "pm1_ugm3": 16.4, "pm25_ugm3": 18.1, "no2_ugm3": 13.34251, "no_ugm3": 0.33129, "noxasno2_ugm3": 13.85049 }, "STN4": { "hourKey": "2026-04-07T19", "pm10_ugm3": 26.1, "pm1_ugm3": 16, "pm25_ugm3": 17.8, "no2_ugm3": 16.09225, "no_ugm3": 0.57719, "noxasno2_ugm3": 16.97726 }, "STN5": { "hourKey": "2026-04-07T19", "pm10_ugm3": 25.5, "pm1_ugm3": null, "pm25_ugm3": 17, "no2_ugm3": 12.69039, "no_ugm3": 0.38355, "noxasno2_ugm3": 13.27849 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-07T20", "hourStartLocal": "2026-04-07T20:00:00+01:00", "avg_co2_ppm": 1037, "avg_tvoc_ppb": 119.5, "avg_pm25_ugm3": 6.5, "avg_temp_c": 21.8, "avg_humidity_pct": 46.7, "avg_pressure_hpa": 1013.25, "avg_no2_ppb": 17.185000000000002, "avg_o3_ppb": null, "avg_vocs_ppb": 34.02333333333333, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 1188, "tvoc_ppb": 117, "pm25_ugm3": 5, "temp_c": 21.6, "humidity_pct": 49, "pressure_hpa": 1014.1, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 886, "tvoc_ppb": 122, "pm25_ugm3": 8, "temp_c": 22, "humidity_pct": 44.4, "pressure_hpa": 1012.4, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 1, "norovirus_index": 3, "influenza_index": 3, "vape_index": 3, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 19.55666666666667, "vocs_ppb": 31.515833333333333 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 14.813333333333333, "vocs_ppb": 36.530833333333334 } }, "official_outdoor": { "hourKey": "2026-04-07T20", "pm10_ugm3": 22.5, "pm1_ugm3": 13.4, "pm25_ugm3": 15.4, "no2_ugm3": 14.87978, "no_ugm3": 0.33007, "noxasno2_ugm3": 15.38588 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-07T20", "pm10_ugm3": 22.5, "pm1_ugm3": 13.4, "pm25_ugm3": 15.4, "no2_ugm3": 14.87978, "no_ugm3": 0.33007, "noxasno2_ugm3": 15.38588 }, "STN4": { "hourKey": "2026-04-07T20", "pm10_ugm3": 24.5, "pm1_ugm3": 13.4, "pm25_ugm3": 15.6, "no2_ugm3": 17.82307, "no_ugm3": 0.464, "noxasno2_ugm3": 18.53452 }, "STN5": { "hourKey": "2026-04-07T20", "pm10_ugm3": 21.5, "pm1_ugm3": null, "pm25_ugm3": 14.8, "no2_ugm3": 10.30503, "no_ugm3": 0.1952, "noxasno2_ugm3": 10.60433 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-07T21", "hourStartLocal": "2026-04-07T21:00:00+01:00", "avg_co2_ppm": 1076.5, "avg_tvoc_ppb": 119, "avg_pm25_ugm3": 6.5, "avg_temp_c": 21.549999999999997, "avg_humidity_pct": 47.650000000000006, "avg_pressure_hpa": 1013.45, "avg_no2_ppb": 23.27041666666667, "avg_o3_ppb": null, "avg_vocs_ppb": 29.441249999999997, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 1072, "tvoc_ppb": 36, "pm25_ugm3": 5, "temp_c": 20.9, "humidity_pct": 49.1, "pressure_hpa": 1014.3, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 1081, "tvoc_ppb": 202, "pm25_ugm3": 8, "temp_c": 22.2, "humidity_pct": 46.2, "pressure_hpa": 1012.6, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 3, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 22.549166666666665, "vocs_ppb": 28.175833333333333 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 23.99166666666667, "vocs_ppb": 30.706666666666663 } }, "official_outdoor": { "hourKey": "2026-04-07T21", "pm10_ugm3": 19.8, "pm1_ugm3": 10.4, "pm25_ugm3": 12.7, "no2_ugm3": 15.2667, "no_ugm3": 0.40579, "noxasno2_ugm3": 15.8889 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-07T21", "pm10_ugm3": 19.8, "pm1_ugm3": 10.4, "pm25_ugm3": 12.7, "no2_ugm3": 15.2667, "no_ugm3": 0.40579, "noxasno2_ugm3": 15.8889 }, "STN4": { "hourKey": "2026-04-07T21", "pm10_ugm3": 21.4, "pm1_ugm3": 10.6, "pm25_ugm3": 13, "no2_ugm3": 16.01002, "no_ugm3": 0.39727, "noxasno2_ugm3": 16.61915 }, "STN5": { "hourKey": "2026-04-07T21", "pm10_ugm3": 21.1, "pm1_ugm3": null, "pm25_ugm3": 14.2, "no2_ugm3": 11.76379, "no_ugm3": 0.32991, "noxasno2_ugm3": 12.26964 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-07T22", "hourStartLocal": "2026-04-07T22:00:00+01:00", "avg_co2_ppm": 819, "avg_tvoc_ppb": 41, "avg_pm25_ugm3": 5, "avg_temp_c": 21.2, "avg_humidity_pct": 45.6, "avg_pressure_hpa": 1013.15, "avg_no2_ppb": 18.550416666666667, "avg_o3_ppb": null, "avg_vocs_ppb": 26.0075, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "likely_broad_outdoor_regional", "interpretation_reason": "Perimeter-side, airport-side, and forest-background official monitors rise together versus their rolling medians while indoor CO2 is not the dominant spike — consistent with broad outdoor uplift, not a single local indoor driver.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 884, "tvoc_ppb": 13, "pm25_ugm3": 4, "temp_c": 20.4, "humidity_pct": 48.2, "pressure_hpa": 1014, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 2, "influenza_index": 2, "vape_index": 1, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 754, "tvoc_ppb": 69, "pm25_ugm3": 6, "temp_c": 22, "humidity_pct": 43, "pressure_hpa": 1012.3, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 1, "norovirus_index": 3, "influenza_index": 3, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 22.26, "vocs_ppb": 25.565833333333334 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 14.84083333333333, "vocs_ppb": 26.44916666666667 } }, "official_outdoor": { "hourKey": "2026-04-07T22", "pm10_ugm3": 18.2, "pm1_ugm3": 9.3, "pm25_ugm3": 11.6, "no2_ugm3": 17.3639, "no_ugm3": 0.51124, "noxasno2_ugm3": 18.14779 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-07T22", "pm10_ugm3": 18.2, "pm1_ugm3": 9.3, "pm25_ugm3": 11.6, "no2_ugm3": 17.3639, "no_ugm3": 0.51124, "noxasno2_ugm3": 18.14779 }, "STN4": { "hourKey": "2026-04-07T22", "pm10_ugm3": 18.3, "pm1_ugm3": 9.7, "pm25_ugm3": 12.2, "no2_ugm3": 20.46853, "no_ugm3": 0.44404, "noxasno2_ugm3": 21.14938 }, "STN5": { "hourKey": "2026-04-07T22", "pm10_ugm3": 17.9, "pm1_ugm3": null, "pm25_ugm3": 11.5, "no2_ugm3": 13.63995, "no_ugm3": 0.52262, "noxasno2_ugm3": 14.44129 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-07T23", "hourStartLocal": "2026-04-07T23:00:00+01:00", "avg_co2_ppm": 585.5, "avg_tvoc_ppb": 6, "avg_pm25_ugm3": 5, "avg_temp_c": 20.7, "avg_humidity_pct": 44.55, "avg_pressure_hpa": 1013.15, "avg_no2_ppb": 16.187083333333334, "avg_o3_ppb": null, "avg_vocs_ppb": 24.99958333333333, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 668, "tvoc_ppb": 2, "pm25_ugm3": 3, "temp_c": 20, "humidity_pct": 46.9, "pressure_hpa": 1014, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 2, "influenza_index": 1, "vape_index": 1, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 503, "tvoc_ppb": 10, "pm25_ugm3": 7, "temp_c": 21.4, "humidity_pct": 42.2, "pressure_hpa": 1012.3, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 1, "norovirus_index": 2, "influenza_index": 3, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 20.475833333333334, "vocs_ppb": 24.81833333333333 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 11.898333333333333, "vocs_ppb": 25.18083333333333 } }, "official_outdoor": { "hourKey": "2026-04-07T23", "pm10_ugm3": 18.1, "pm1_ugm3": 8.9, "pm25_ugm3": 11.3, "no2_ugm3": 14.00869, "no_ugm3": 0.45882, "noxasno2_ugm3": 14.7122 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-07T23", "pm10_ugm3": 18.1, "pm1_ugm3": 8.9, "pm25_ugm3": 11.3, "no2_ugm3": 14.00869, "no_ugm3": 0.45882, "noxasno2_ugm3": 14.7122 }, "STN4": { "hourKey": "2026-04-07T23", "pm10_ugm3": 18.4, "pm1_ugm3": 9, "pm25_ugm3": 11.6, "no2_ugm3": 14.6531, "no_ugm3": 0.36671, "noxasno2_ugm3": 15.21537 }, "STN5": { "hourKey": "2026-04-07T23", "pm10_ugm3": 18.4, "pm1_ugm3": null, "pm25_ugm3": 11.5, "no2_ugm3": 12.66218, "no_ugm3": 0.23044, "noxasno2_ugm3": 13.01552 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-08T00", "hourStartLocal": "2026-04-08T00:00:00+01:00", "avg_co2_ppm": 543, "avg_tvoc_ppb": 6.5, "avg_pm25_ugm3": 5.5, "avg_temp_c": 20.35, "avg_humidity_pct": 45.45, "avg_pressure_hpa": 1013.25, "avg_no2_ppb": 13.603333333333332, "avg_o3_ppb": null, "avg_vocs_ppb": 23.72083333333333, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "likely_broad_outdoor_regional", "interpretation_reason": "Perimeter-side, airport-side, and forest-background official monitors rise together versus their rolling medians while indoor CO2 is not the dominant spike — consistent with broad outdoor uplift, not a single local indoor driver.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 631, "tvoc_ppb": 8, "pm25_ugm3": 4, "temp_c": 19.7, "humidity_pct": 47.6, "pressure_hpa": 1014.1, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 2, "influenza_index": 1, "vape_index": 1, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 455, "tvoc_ppb": 5, "pm25_ugm3": 7, "temp_c": 21, "humidity_pct": 43.3, "pressure_hpa": 1012.4, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 1, "norovirus_index": 2, "influenza_index": 2, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 14.820833333333333, "vocs_ppb": 23.382499999999997 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 12.385833333333332, "vocs_ppb": 24.059166666666666 } }, "official_outdoor": { "hourKey": "2026-04-08T00", "pm10_ugm3": 18.6, "pm1_ugm3": 9.1, "pm25_ugm3": 11.5, "no2_ugm3": 12.14514, "no_ugm3": 0.38341, "noxasno2_ugm3": 12.73303 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-08T00", "pm10_ugm3": 18.6, "pm1_ugm3": 9.1, "pm25_ugm3": 11.5, "no2_ugm3": 12.14514, "no_ugm3": 0.38341, "noxasno2_ugm3": 12.73303 }, "STN4": { "hourKey": "2026-04-08T00", "pm10_ugm3": 18.7, "pm1_ugm3": 9.1, "pm25_ugm3": 11.7, "no2_ugm3": 13.69015, "no_ugm3": 0.52262, "noxasno2_ugm3": 14.49149 }, "STN5": { "hourKey": "2026-04-08T00", "pm10_ugm3": 17, "pm1_ugm3": null, "pm25_ugm3": 11.3, "no2_ugm3": 11.38559, "no_ugm3": 0.23543, "noxasno2_ugm3": 11.74658 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-08T01", "hourStartLocal": "2026-04-08T01:00:00+01:00", "avg_co2_ppm": 513.5, "avg_tvoc_ppb": 7, "avg_pm25_ugm3": 5.5, "avg_temp_c": 20.2, "avg_humidity_pct": 46.45, "avg_pressure_hpa": 1013.45, "avg_no2_ppb": 14.444166666666668, "avg_o3_ppb": null, "avg_vocs_ppb": 23.377916666666668, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "likely_broad_outdoor_regional", "interpretation_reason": "Perimeter-side, airport-side, and forest-background official monitors rise together versus their rolling medians while indoor CO2 is not the dominant spike — consistent with broad outdoor uplift, not a single local indoor driver.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 579, "tvoc_ppb": 5, "pm25_ugm3": 4, "temp_c": 19.5, "humidity_pct": 48.8, "pressure_hpa": 1014.3, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 1, "influenza_index": 1, "vape_index": 1, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 448, "tvoc_ppb": 9, "pm25_ugm3": 7, "temp_c": 20.9, "humidity_pct": 44.1, "pressure_hpa": 1012.6, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 1, "norovirus_index": 2, "influenza_index": 2, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 14.930000000000001, "vocs_ppb": 23.478333333333335 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 13.958333333333334, "vocs_ppb": 23.2775 } }, "official_outdoor": { "hourKey": "2026-04-08T01", "pm10_ugm3": 18.2, "pm1_ugm3": 9.7, "pm25_ugm3": 12, "no2_ugm3": 13.92268, "no_ugm3": 0.33736, "noxasno2_ugm3": 14.43995 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-08T01", "pm10_ugm3": 18.2, "pm1_ugm3": 9.7, "pm25_ugm3": 12, "no2_ugm3": 13.92268, "no_ugm3": 0.33736, "noxasno2_ugm3": 14.43995 }, "STN4": { "hourKey": "2026-04-08T01", "pm10_ugm3": 18.6, "pm1_ugm3": 9.6, "pm25_ugm3": 12.1, "no2_ugm3": 11.35929, "no_ugm3": 0.41722, "noxasno2_ugm3": 11.99903 }, "STN5": { "hourKey": "2026-04-08T01", "pm10_ugm3": 18.3, "pm1_ugm3": null, "pm25_ugm3": 11.9, "no2_ugm3": 10.59668, "no_ugm3": 0.21547, "noxasno2_ugm3": 10.92707 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-08T02", "hourStartLocal": "2026-04-08T02:00:00+01:00", "avg_co2_ppm": 502, "avg_tvoc_ppb": 9, "avg_pm25_ugm3": 4, "avg_temp_c": 20.05, "avg_humidity_pct": 46.9, "avg_pressure_hpa": 1013.25, "avg_no2_ppb": 14.957500000000003, "avg_o3_ppb": null, "avg_vocs_ppb": 23.193749999999998, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "likely_broad_outdoor_regional", "interpretation_reason": "Perimeter-side, airport-side, and forest-background official monitors rise together versus their rolling medians while indoor CO2 is not the dominant spike — consistent with broad outdoor uplift, not a single local indoor driver.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 560, "tvoc_ppb": 4, "pm25_ugm3": 4, "temp_c": 19.3, "humidity_pct": 49.5, "pressure_hpa": 1014.1, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 1, "influenza_index": 2, "vape_index": 1, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 444, "tvoc_ppb": 14, "pm25_ugm3": 4, "temp_c": 20.8, "humidity_pct": 44.3, "pressure_hpa": 1012.4, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 1, "norovirus_index": 2, "influenza_index": 2, "vape_index": 1, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 15.428333333333336, "vocs_ppb": 22.890833333333337 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 14.48666666666667, "vocs_ppb": 23.49666666666666 } }, "official_outdoor": { "hourKey": "2026-04-08T02", "pm10_ugm3": 20.4, "pm1_ugm3": 11.9, "pm25_ugm3": 14, "no2_ugm3": 15.67402, "no_ugm3": 0.31717, "noxasno2_ugm3": 16.16034 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-08T02", "pm10_ugm3": 20.4, "pm1_ugm3": 11.9, "pm25_ugm3": 14, "no2_ugm3": 15.67402, "no_ugm3": 0.31717, "noxasno2_ugm3": 16.16034 }, "STN4": { "hourKey": "2026-04-08T02", "pm10_ugm3": 20.3, "pm1_ugm3": 11.6, "pm25_ugm3": 13.7, "no2_ugm3": 11.93639, "no_ugm3": 0.41099, "noxasno2_ugm3": 12.56656 }, "STN5": { "hourKey": "2026-04-08T02", "pm10_ugm3": 21.3, "pm1_ugm3": null, "pm25_ugm3": 13.5, "no2_ugm3": 11.26319, "no_ugm3": 0.22888, "noxasno2_ugm3": 11.61413 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-08T03", "hourStartLocal": "2026-04-08T03:00:00+01:00", "avg_co2_ppm": 501.5, "avg_tvoc_ppb": 24, "avg_pm25_ugm3": 5, "avg_temp_c": 19.95, "avg_humidity_pct": 47.05, "avg_pressure_hpa": 1012.95, "avg_no2_ppb": 13.1475, "avg_o3_ppb": null, "avg_vocs_ppb": 23.70583333333333, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "likely_broad_outdoor_regional", "interpretation_reason": "Perimeter-side, airport-side, and forest-background official monitors rise together versus their rolling medians while indoor CO2 is not the dominant spike — consistent with broad outdoor uplift, not a single local indoor driver.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 545, "tvoc_ppb": 3, "pm25_ugm3": 4, "temp_c": 19.2, "humidity_pct": 49.3, "pressure_hpa": 1013.8, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 1, "influenza_index": 2, "vape_index": 1, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 458, "tvoc_ppb": 45, "pm25_ugm3": 6, "temp_c": 20.7, "humidity_pct": 44.8, "pressure_hpa": 1012.1, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 1, "norovirus_index": 2, "influenza_index": 2, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 17.4875, "vocs_ppb": 23.159166666666668 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 8.8075, "vocs_ppb": 24.252499999999998 } }, "official_outdoor": { "hourKey": "2026-04-08T03", "pm10_ugm3": 22.9, "pm1_ugm3": 14.3, "pm25_ugm3": 16.2, "no2_ugm3": 16.6448, "no_ugm3": 0.2939, "noxasno2_ugm3": 17.09545 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-08T03", "pm10_ugm3": 22.9, "pm1_ugm3": 14.3, "pm25_ugm3": 16.2, "no2_ugm3": 16.6448, "no_ugm3": 0.2939, "noxasno2_ugm3": 17.09545 }, "STN4": { "hourKey": "2026-04-08T03", "pm10_ugm3": 23.2, "pm1_ugm3": 14.1, "pm25_ugm3": 16, "no2_ugm3": 16.6201, "no_ugm3": 1.88841, "noxasno2_ugm3": 19.51563 }, "STN5": { "hourKey": "2026-04-08T03", "pm10_ugm3": 23.5, "pm1_ugm3": null, "pm25_ugm3": 16, "no2_ugm3": 12.68609, "no_ugm3": 0.23855, "noxasno2_ugm3": 13.05186 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-08T04", "hourStartLocal": "2026-04-08T04:00:00+01:00", "avg_co2_ppm": 521.5, "avg_tvoc_ppb": 32, "avg_pm25_ugm3": 5, "avg_temp_c": 19.85, "avg_humidity_pct": 47.35, "avg_pressure_hpa": 1012.85, "avg_no2_ppb": 18.511249999999997, "avg_o3_ppb": null, "avg_vocs_ppb": 23.46333333333334, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "likely_broad_outdoor_regional", "interpretation_reason": "Perimeter-side, airport-side, and forest-background official monitors rise together versus their rolling medians while indoor CO2 is not the dominant spike — consistent with broad outdoor uplift, not a single local indoor driver.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 564, "tvoc_ppb": 6, "pm25_ugm3": 3, "temp_c": 19.1, "humidity_pct": 49.5, "pressure_hpa": 1013.7, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 1, "influenza_index": 2, "vape_index": 1, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 479, "tvoc_ppb": 58, "pm25_ugm3": 7, "temp_c": 20.6, "humidity_pct": 45.2, "pressure_hpa": 1012, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 2, "influenza_index": 2, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 24.194166666666664, "vocs_ppb": 22.605833333333337 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 12.828333333333333, "vocs_ppb": 24.320833333333336 } }, "official_outdoor": { "hourKey": "2026-04-08T04", "pm10_ugm3": 24.9, "pm1_ugm3": 15.1, "pm25_ugm3": 16.9, "no2_ugm3": 18.39408, "no_ugm3": 0.26037, "noxasno2_ugm3": 18.79331 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-08T04", "pm10_ugm3": 24.9, "pm1_ugm3": 15.1, "pm25_ugm3": 16.9, "no2_ugm3": 18.39408, "no_ugm3": 0.26037, "noxasno2_ugm3": 18.79331 }, "STN4": { "hourKey": "2026-04-08T04", "pm10_ugm3": 24.7, "pm1_ugm3": 15.1, "pm25_ugm3": 17, "no2_ugm3": 17.45061, "no_ugm3": 0.56752, "noxasno2_ugm3": 18.32079 }, "STN5": { "hourKey": "2026-04-08T04", "pm10_ugm3": 24.8, "pm1_ugm3": null, "pm25_ugm3": 17.3, "no2_ugm3": 14.44272, "no_ugm3": 0.24853, "noxasno2_ugm3": 14.82379 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-08T05", "hourStartLocal": "2026-04-08T05:00:00+01:00", "avg_co2_ppm": 835.5, "avg_tvoc_ppb": 161, "avg_pm25_ugm3": 5, "avg_temp_c": 19.9, "avg_humidity_pct": 50.3, "avg_pressure_hpa": 1012.95, "avg_no2_ppb": 22.44083333333333, "avg_o3_ppb": null, "avg_vocs_ppb": 25.263749999999998, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 795, "tvoc_ppb": 36, "pm25_ugm3": 3, "temp_c": 19.3, "humidity_pct": 51.7, "pressure_hpa": 1013.8, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 2, "influenza_index": 3, "vape_index": 1, "pollen_index": 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21.77957, "no_ugm3": 1.8339, "noxasno2_ugm3": 24.5915 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-08T06", "pm10_ugm3": 25.1, "pm1_ugm3": 14.5, "pm25_ugm3": 16.4, "no2_ugm3": 21.77957, "no_ugm3": 1.8339, "noxasno2_ugm3": 24.5915 }, "STN4": { "hourKey": "2026-04-08T06", "pm10_ugm3": 25.6, "pm1_ugm3": 14.6, "pm25_ugm3": 16.4, "no2_ugm3": 28.42788, "no_ugm3": 7.14516, "noxasno2_ugm3": 39.38363 }, "STN5": { "hourKey": "2026-04-08T06", "pm10_ugm3": 23.8, "pm1_ugm3": null, "pm25_ugm3": 16, "no2_ugm3": 23.96363, "no_ugm3": 0.95294, "noxasno2_ugm3": 25.42478 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-08T07", "hourStartLocal": "2026-04-08T07:00:00+01:00", "avg_co2_ppm": 1012.5, "avg_tvoc_ppb": 186.5, "avg_pm25_ugm3": 6.5, "avg_temp_c": 20.1, "avg_humidity_pct": 51.650000000000006, "avg_pressure_hpa": 1013.25, "avg_no2_ppb": 28.999999999999996, 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"airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-08T08", "hourStartLocal": "2026-04-08T08:00:00+01:00", "avg_co2_ppm": 971, "avg_tvoc_ppb": 155.5, "avg_pm25_ugm3": 4.5, "avg_temp_c": 20.4, "avg_humidity_pct": 51.45, "avg_pressure_hpa": 1013.45, "avg_no2_ppb": 56.29215909090909, "avg_o3_ppb": null, "avg_vocs_ppb": 31.8257196969697, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 1062, "tvoc_ppb": 64, "pm25_ugm3": 4, "temp_c": 19.7, "humidity_pct": 54.1, "pressure_hpa": 1014.3, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 3, "norovirus_index": 3, "influenza_index": 3, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 880, "tvoc_ppb": 247, "pm25_ugm3": 5, "temp_c": 21.1, "humidity_pct": 48.8, "pressure_hpa": 1012.6, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 2, "influenza_index": 3, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 77.1725, "vocs_ppb": 33.17416666666667 }, "K-A3 RENT 5": { "samples": 11, "no2_ppb": 35.41181818181818, "vocs_ppb": 30.477272727272723 } }, "official_outdoor": { "hourKey": "2026-04-08T08", "pm10_ugm3": 46.6, "pm1_ugm3": 15.2, "pm25_ugm3": 19.2, "no2_ugm3": 44.84315, "no_ugm3": 38.57372, "noxasno2_ugm3": 103.98869 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-08T08", "pm10_ugm3": 46.6, "pm1_ugm3": 15.2, "pm25_ugm3": 19.2, "no2_ugm3": 44.84315, "no_ugm3": 38.57372, "noxasno2_ugm3": 103.98869 }, "STN4": { "hourKey": "2026-04-08T08", "pm10_ugm3": 34.6, "pm1_ugm3": 15.1, "pm25_ugm3": 18, "no2_ugm3": 32.49672, "no_ugm3": 14.69787, "noxasno2_ugm3": 55.03314 }, "STN5": { "hourKey": "2026-04-08T08", "pm10_ugm3": 44.7, "pm1_ugm3": null, "pm25_ugm3": 17.6, "no2_ugm3": 20.7315, "no_ugm3": 6.49532, "noxasno2_ugm3": 30.69084 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-08T09", "hourStartLocal": "2026-04-08T09:00:00+01:00", "avg_co2_ppm": 1004, "avg_tvoc_ppb": 156, "avg_pm25_ugm3": 6, "avg_temp_c": 20.7, "avg_humidity_pct": 52, "avg_pressure_hpa": 1013.65, "avg_no2_ppb": 31.095, "avg_o3_ppb": null, "avg_vocs_ppb": 38.81583333333333, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { 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12, "no2_ppb": 16.970000000000002, "vocs_ppb": 50.264166666666675 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 23.2025, "vocs_ppb": 41.259166666666665 } }, "official_outdoor": { "hourKey": "2026-04-08T10", "pm10_ugm3": 24.2, "pm1_ugm3": 10.8, "pm25_ugm3": 12.9, "no2_ugm3": 19.68515, "no_ugm3": 10.25476, "noxasno2_ugm3": 35.40889 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-08T10", "pm10_ugm3": 24.2, "pm1_ugm3": 10.8, "pm25_ugm3": 12.9, "no2_ugm3": 19.68515, "no_ugm3": 10.25476, "noxasno2_ugm3": 35.40889 }, "STN4": { "hourKey": "2026-04-08T10", "pm10_ugm3": 23.3, "pm1_ugm3": 10.7, "pm25_ugm3": 12.8, "no2_ugm3": 21.37075, "no_ugm3": 14.78113, "noxasno2_ugm3": 44.03483 }, "STN5": { "hourKey": "2026-04-08T10", "pm10_ugm3": 22.3, "pm1_ugm3": null, "pm25_ugm3": 13.2, "no2_ugm3": 13.76426, "no_ugm3": 3.57788, "noxasno2_ugm3": 19.25027 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-08T11", "hourStartLocal": "2026-04-08T11:00:00+01:00", "avg_co2_ppm": 1124, "avg_tvoc_ppb": 169.5, "avg_pm25_ugm3": 7, "avg_temp_c": 22.1, "avg_humidity_pct": 52.65, "avg_pressure_hpa": 1013.5999999999999, "avg_no2_ppb": 26.546666666666667, "avg_o3_ppb": null, "avg_vocs_ppb": 55.83583333333333, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 1191, "tvoc_ppb": 71, "pm25_ugm3": 6, "temp_c": 21.2, "humidity_pct": 55.3, "pressure_hpa": 1014.4, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 3, "norovirus_index": 4, "influenza_index": 4, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 1057, "tvoc_ppb": 268, "pm25_ugm3": 8, "temp_c": 23, "humidity_pct": 50, "pressure_hpa": 1012.8, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 3, "norovirus_index": 3, "influenza_index": 4, "vape_index": 4, "pollen_index": 1, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 29.355000000000004, "vocs_ppb": 62.225 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 23.738333333333333, "vocs_ppb": 49.446666666666665 } }, "official_outdoor": { "hourKey": "2026-04-08T11", "pm10_ugm3": 22.6, "pm1_ugm3": 11.7, "pm25_ugm3": 13.6, "no2_ugm3": 14.12564, "no_ugm3": 2.88188, "noxasno2_ugm3": 18.54447 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-08T11", "pm10_ugm3": 22.6, "pm1_ugm3": 11.7, "pm25_ugm3": 13.6, "no2_ugm3": 14.12564, "no_ugm3": 2.88188, "noxasno2_ugm3": 18.54447 }, "STN4": { "hourKey": "2026-04-08T11", "pm10_ugm3": 20.6, "pm1_ugm3": 11.1, "pm25_ugm3": 13, "no2_ugm3": 16.34662, "no_ugm3": 6.89601, "noxasno2_ugm3": 26.92035 }, "STN5": { "hourKey": "2026-04-08T11", "pm10_ugm3": 36.1, "pm1_ugm3": null, "pm25_ugm3": 13.9, "no2_ugm3": 10.96436, "no_ugm3": 2.55166, "noxasno2_ugm3": 14.87686 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-08T12", "hourStartLocal": "2026-04-08T12:00:00+01:00", "avg_co2_ppm": 1127, "avg_tvoc_ppb": 150.5, "avg_pm25_ugm3": 7.5, "avg_temp_c": 22.799999999999997, "avg_humidity_pct": 52.55, "avg_pressure_hpa": 1013.05, "avg_no2_ppb": 14.480833333333333, "avg_o3_ppb": null, "avg_vocs_ppb": 58.851666666666674, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 1265, "tvoc_ppb": 93, "pm25_ugm3": 6, "temp_c": 21.9, "humidity_pct": 55.9, "pressure_hpa": 1013.9, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 3, "norovirus_index": 4, "influenza_index": 4, "vape_index": 3, "pollen_index": 2, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 989, "tvoc_ppb": 208, "pm25_ugm3": 9, "temp_c": 23.7, "humidity_pct": 49.2, "pressure_hpa": 1012.2, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 23.5675, "vocs_ppb": 65.0725 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 5.394166666666667, "vocs_ppb": 52.630833333333335 } }, "official_outdoor": { "hourKey": "2026-04-08T12", "pm10_ugm3": 20.2, "pm1_ugm3": 9.4, "pm25_ugm3": 11.3, "no2_ugm3": 12.19822, "no_ugm3": 2.4477, "noxasno2_ugm3": 15.95131 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-08T12", "pm10_ugm3": 20.2, "pm1_ugm3": 9.4, "pm25_ugm3": 11.3, "no2_ugm3": 12.19822, "no_ugm3": 2.4477, "noxasno2_ugm3": 15.95131 }, "STN4": { "hourKey": "2026-04-08T12", "pm10_ugm3": 20.2, "pm1_ugm3": 9.4, "pm25_ugm3": 11.4, "no2_ugm3": 20.70138, "no_ugm3": 17.38362, "noxasno2_ugm3": 47.35589 }, "STN5": { "hourKey": "2026-04-08T12", "pm10_ugm3": 27.4, "pm1_ugm3": null, "pm25_ugm3": 11.4, "no2_ugm3": 9.60266, "no_ugm3": 2.76651, "noxasno2_ugm3": 13.84459 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-08T13", "hourStartLocal": "2026-04-08T13:00:00+01:00", "avg_co2_ppm": 853, "avg_tvoc_ppb": 87.5, "avg_pm25_ugm3": 6.5, "avg_temp_c": 23.049999999999997, "avg_humidity_pct": 50.25, "avg_pressure_hpa": 1012.5, "avg_no2_ppb": 5.112083333333333, "avg_o3_ppb": null, "avg_vocs_ppb": 61.46375000000001, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 904, "tvoc_ppb": 42, "pm25_ugm3": 5, "temp_c": 22.4, "humidity_pct": 52.1, "pressure_hpa": 1013.3, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 2, "influenza_index": 3, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 802, "tvoc_ppb": 133, "pm25_ugm3": 8, "temp_c": 23.7, "humidity_pct": 48.4, "pressure_hpa": 1011.7, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 6.817499999999999, "vocs_ppb": 67.68333333333335 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 3.4066666666666667, "vocs_ppb": 55.24416666666667 } }, "official_outdoor": { "hourKey": "2026-04-08T13", "pm10_ugm3": 22.5, "pm1_ugm3": 8.1, "pm25_ugm3": 10.4, "no2_ugm3": 22.3463, "no_ugm3": 10.30471, "noxasno2_ugm3": 38.14663 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-08T13", "pm10_ugm3": 22.5, "pm1_ugm3": 8.1, "pm25_ugm3": 10.4, "no2_ugm3": 22.3463, "no_ugm3": 10.30471, "noxasno2_ugm3": 38.14663 }, "STN4": { "hourKey": "2026-04-08T13", "pm10_ugm3": 18.3, "pm1_ugm3": 8.1, "pm25_ugm3": 10.1, "no2_ugm3": 23.77333, "no_ugm3": 14.92925, "noxasno2_ugm3": 46.66452 }, "STN5": { "hourKey": "2026-04-08T13", "pm10_ugm3": 30, "pm1_ugm3": null, "pm25_ugm3": 8.2, "no2_ugm3": 8.03154, "no_ugm3": 1.69259, "noxasno2_ugm3": 10.62681 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-08T14", "hourStartLocal": "2026-04-08T14:00:00+01:00", "avg_co2_ppm": 903, "avg_tvoc_ppb": 111, "avg_pm25_ugm3": 7, "avg_temp_c": 23.5, "avg_humidity_pct": 50.900000000000006, "avg_pressure_hpa": 1012, "avg_no2_ppb": 11.837083333333334, "avg_o3_ppb": null, "avg_vocs_ppb": 64.97583333333333, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 894, "tvoc_ppb": 45, "pm25_ugm3": 6, "temp_c": 22.9, "humidity_pct": 51.6, "pressure_hpa": 1012.8, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 2, "influenza_index": 3, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 912, "tvoc_ppb": 177, "pm25_ugm3": 8, "temp_c": 24.1, "humidity_pct": 50.2, "pressure_hpa": 1011.2, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 3, "norovirus_index": 3, "influenza_index": 4, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 15.506666666666668, "vocs_ppb": 73.27333333333334 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 8.1675, "vocs_ppb": 56.67833333333332 } }, "official_outdoor": { "hourKey": "2026-04-08T14", "pm10_ugm3": 23.1, "pm1_ugm3": 6.3, "pm25_ugm3": 8.9, "no2_ugm3": 14.9803, "no_ugm3": 4.22241, "noxasno2_ugm3": 21.45457 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-08T14", "pm10_ugm3": 23.1, "pm1_ugm3": 6.3, "pm25_ugm3": 8.9, "no2_ugm3": 14.9803, "no_ugm3": 4.22241, "noxasno2_ugm3": 21.45457 }, "STN4": { "hourKey": "2026-04-08T14", "pm10_ugm3": 15.9, "pm1_ugm3": 5.6, "pm25_ugm3": 7.6, "no2_ugm3": 15.93208, "no_ugm3": 8.37718, "noxasno2_ugm3": 28.77691 }, "STN5": { "hourKey": "2026-04-08T14", "pm10_ugm3": 34.6, "pm1_ugm3": null, "pm25_ugm3": 8.2, "no2_ugm3": 7.81543, "no_ugm3": 1.6639, "noxasno2_ugm3": 10.36671 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-08T15", "hourStartLocal": "2026-04-08T15:00:00+01:00", "avg_co2_ppm": 1035.5, "avg_tvoc_ppb": 150, "avg_pm25_ugm3": 7.5, "avg_temp_c": 24.35, "avg_humidity_pct": 51.75, "avg_pressure_hpa": 1011.55, "avg_no2_ppb": 15.00875, "avg_o3_ppb": null, "avg_vocs_ppb": 67.30125, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 1179, "tvoc_ppb": 94, "pm25_ugm3": 7, "temp_c": 23.6, "humidity_pct": 54.7, "pressure_hpa": 1012.4, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 3, "norovirus_index": 4, "influenza_index": 4, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 892, "tvoc_ppb": 206, "pm25_ugm3": 8, "temp_c": 25.1, "humidity_pct": 48.8, "pressure_hpa": 1010.7, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 19.2225, "vocs_ppb": 74.425 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 10.795, "vocs_ppb": 60.1775 } }, "official_outdoor": { "hourKey": "2026-04-08T15", "pm10_ugm3": 18.7, "pm1_ugm3": 6, "pm25_ugm3": 8.1, "no2_ugm3": 14.53578, "no_ugm3": 2.66839, "noxasno2_ugm3": 18.62724 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-08T15", "pm10_ugm3": 18.7, "pm1_ugm3": 6, "pm25_ugm3": 8.1, "no2_ugm3": 14.53578, "no_ugm3": 2.66839, "noxasno2_ugm3": 18.62724 }, "STN4": { "hourKey": "2026-04-08T15", "pm10_ugm3": 19.1, "pm1_ugm3": 6.6, "pm25_ugm3": 8.8, "no2_ugm3": 21.12069, "no_ugm3": 14.42004, "noxasno2_ugm3": 43.23111 }, "STN5": { "hourKey": "2026-04-08T15", "pm10_ugm3": 29.2, "pm1_ugm3": null, "pm25_ugm3": 8.8, "no2_ugm3": 8.64593, "no_ugm3": 1.29813, "noxasno2_ugm3": 10.63637 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-08T16", "hourStartLocal": "2026-04-08T16:00:00+01:00", "avg_co2_ppm": 1142, "avg_tvoc_ppb": 207.5, "avg_pm25_ugm3": 9.5, "avg_temp_c": 24.549999999999997, "avg_humidity_pct": 52.650000000000006, "avg_pressure_hpa": 1011.25, "avg_no2_ppb": 12.74125, "avg_o3_ppb": null, "avg_vocs_ppb": 70.5775, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 1117, "tvoc_ppb": 98, "pm25_ugm3": 10, "temp_c": 23.9, "humidity_pct": 53.6, "pressure_hpa": 1012.1, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 3, "norovirus_index": 4, "influenza_index": 4, "vape_index": 3, "pollen_index": 2, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 1167, "tvoc_ppb": 317, "pm25_ugm3": 9, "temp_c": 25.2, "humidity_pct": 51.7, "pressure_hpa": 1010.4, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 3, "norovirus_index": 3, "influenza_index": 4, "vape_index": 4, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 16.992500000000003, "vocs_ppb": 75.70416666666667 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 8.49, "vocs_ppb": 65.45083333333334 } }, "official_outdoor": { "hourKey": "2026-04-08T16", "pm10_ugm3": 17.9, "pm1_ugm3": 5.3, "pm25_ugm3": 7.4, "no2_ugm3": 17.66523, "no_ugm3": 5.14106, "noxasno2_ugm3": 25.54809 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-08T16", "pm10_ugm3": 17.9, "pm1_ugm3": 5.3, "pm25_ugm3": 7.4, "no2_ugm3": 17.66523, "no_ugm3": 5.14106, "noxasno2_ugm3": 25.54809 }, "STN4": { "hourKey": "2026-04-08T16", "pm10_ugm3": 18.5, "pm1_ugm3": 5.8, "pm25_ugm3": 7.9, "no2_ugm3": 26.84624, "no_ugm3": 21.70926, "noxasno2_ugm3": 60.1333 }, "STN5": { "hourKey": "2026-04-08T16", "pm10_ugm3": 50.6, "pm1_ugm3": null, "pm25_ugm3": 9.6, "no2_ugm3": 9.45444, "no_ugm3": 1.19024, "noxasno2_ugm3": 11.27945 } }, "fusion": { "official_sites_alignment": "partial", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-08T17", "hourStartLocal": "2026-04-08T17:00:00+01:00", "avg_co2_ppm": 926.5, "avg_tvoc_ppb": 112.5, "avg_pm25_ugm3": 7, "avg_temp_c": 24.700000000000003, "avg_humidity_pct": 50.05, "avg_pressure_hpa": 1011.05, "avg_no2_ppb": 8.920833333333333, "avg_o3_ppb": null, "avg_vocs_ppb": 66.19375, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 1070, "tvoc_ppb": 88, "pm25_ugm3": 6, "temp_c": 24.1, "humidity_pct": 52.8, "pressure_hpa": 1011.9, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 3, "norovirus_index": 4, "influenza_index": 4, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 783, "tvoc_ppb": 137, "pm25_ugm3": 8, "temp_c": 25.3, "humidity_pct": 47.3, "pressure_hpa": 1010.2, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 13.376666666666667, "vocs_ppb": 72.45916666666666 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 4.464999999999999, "vocs_ppb": 59.928333333333335 } }, "official_outdoor": { "hourKey": "2026-04-08T17", "pm10_ugm3": 21.3, "pm1_ugm3": 5.9, "pm25_ugm3": 8.2, "no2_ugm3": 17.04167, "no_ugm3": 2.32282, "noxasno2_ugm3": 20.60328 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-08T17", "pm10_ugm3": 21.3, "pm1_ugm3": 5.9, "pm25_ugm3": 8.2, "no2_ugm3": 17.04167, "no_ugm3": 2.32282, "noxasno2_ugm3": 20.60328 }, "STN4": { "hourKey": "2026-04-08T17", "pm10_ugm3": 17.1, "pm1_ugm3": 5.2, "pm25_ugm3": 7.1, "no2_ugm3": 32.69849, "no_ugm3": 23.55495, "noxasno2_ugm3": 68.81558 }, "STN5": { "hourKey": "2026-04-08T17", "pm10_ugm3": 18, "pm1_ugm3": null, "pm25_ugm3": 5.8, "no2_ugm3": 8.97202, "no_ugm3": 0.88278, "noxasno2_ugm3": 10.32559 } }, "fusion": { "official_sites_alignment": "partial", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-08T18", "hourStartLocal": "2026-04-08T18:00:00+01:00", "avg_co2_ppm": 1074, "avg_tvoc_ppb": 203, "avg_pm25_ugm3": 7, "avg_temp_c": 25.3, "avg_humidity_pct": 51.8, "avg_pressure_hpa": 1011.15, "avg_no2_ppb": 18.89, "avg_o3_ppb": null, "avg_vocs_ppb": 68.48, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 1170, "tvoc_ppb": 121, "pm25_ugm3": 5, "temp_c": 24.6, "humidity_pct": 53.6, "pressure_hpa": 1012, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 3, "norovirus_index": 4, "influenza_index": 4, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 978, "tvoc_ppb": 285, "pm25_ugm3": 9, "temp_c": 26, "humidity_pct": 50, "pressure_hpa": 1010.3, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 3, "norovirus_index": 3, "influenza_index": 4, "vape_index": 4, "pollen_index": 1, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 21.115, "vocs_ppb": 74.50916666666666 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 16.665, "vocs_ppb": 62.45083333333334 } }, "official_outdoor": { "hourKey": "2026-04-08T18", "pm10_ugm3": 29.1, "pm1_ugm3": 13.9, "pm25_ugm3": 16.3, "no2_ugm3": 36.05172, "no_ugm3": 17.79597, "noxasno2_ugm3": 63.33849 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-08T18", "pm10_ugm3": 29.1, "pm1_ugm3": 13.9, "pm25_ugm3": 16.3, "no2_ugm3": 36.05172, "no_ugm3": 17.79597, "noxasno2_ugm3": 63.33849 }, "STN4": { "hourKey": "2026-04-08T18", "pm10_ugm3": 27.9, "pm1_ugm3": 12.9, "pm25_ugm3": 15.4, "no2_ugm3": 42.05109, "no_ugm3": 22.91851, "noxasno2_ugm3": 77.19233 }, "STN5": { "hourKey": "2026-04-08T18", "pm10_ugm3": 27.9, "pm1_ugm3": null, "pm25_ugm3": 13.4, "no2_ugm3": 16.15537, "no_ugm3": 0.93891, "noxasno2_ugm3": 17.595 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-08T19", "hourStartLocal": "2026-04-08T19:00:00+01:00", "avg_co2_ppm": 957.5, "avg_tvoc_ppb": 161.5, "avg_pm25_ugm3": 6.5, "avg_temp_c": 24.55, "avg_humidity_pct": 52.25, "avg_pressure_hpa": 1011.25, "avg_no2_ppb": 22.447499999999998, "avg_o3_ppb": null, "avg_vocs_ppb": 61.36125, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 1096, "tvoc_ppb": 109, "pm25_ugm3": 5, "temp_c": 24, "humidity_pct": 55.4, "pressure_hpa": 1012.1, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 4, "norovirus_index": 4, "influenza_index": 4, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 819, "tvoc_ppb": 214, "pm25_ugm3": 8, "temp_c": 25.1, "humidity_pct": 49.1, "pressure_hpa": 1010.4, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 23.145833333333332, "vocs_ppb": 66.48166666666667 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 21.749166666666667, "vocs_ppb": 56.240833333333335 } }, "official_outdoor": { "hourKey": "2026-04-08T19", "pm10_ugm3": 26.7, "pm1_ugm3": 14.7, "pm25_ugm3": 16.7, "no2_ugm3": 28.79747, "no_ugm3": 1.28475, "noxasno2_ugm3": 30.7674 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-08T19", "pm10_ugm3": 26.7, "pm1_ugm3": 14.7, "pm25_ugm3": 16.7, "no2_ugm3": 28.79747, "no_ugm3": 1.28475, "noxasno2_ugm3": 30.7674 }, "STN4": { "hourKey": "2026-04-08T19", "pm10_ugm3": 26.4, "pm1_ugm3": 14.3, "pm25_ugm3": 16.5, "no2_ugm3": 52.96621, "no_ugm3": 22.0005, "noxasno2_ugm3": 86.69984 }, "STN5": { "hourKey": "2026-04-08T19", "pm10_ugm3": 25.6, "pm1_ugm3": null, "pm25_ugm3": 15.2, "no2_ugm3": 21.82019, "no_ugm3": 0.52355, "noxasno2_ugm3": 22.62296 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-08T20", "hourStartLocal": "2026-04-08T20:00:00+01:00", "avg_co2_ppm": 1009.5, "avg_tvoc_ppb": 153.5, "avg_pm25_ugm3": 7, "avg_temp_c": 23.85, "avg_humidity_pct": 52.6, "avg_pressure_hpa": 1011.45, "avg_no2_ppb": 28.30916666666667, "avg_o3_ppb": null, "avg_vocs_ppb": 58.64333333333333, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 1162, "tvoc_ppb": 105, "pm25_ugm3": 6, "temp_c": 23.2, "humidity_pct": 56.5, "pressure_hpa": 1012.3, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 3, "norovirus_index": 4, "influenza_index": 4, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 857, "tvoc_ppb": 202, "pm25_ugm3": 8, "temp_c": 24.5, "humidity_pct": 48.7, "pressure_hpa": 1010.6, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 27.209999999999997, "vocs_ppb": 61.41083333333333 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 29.408333333333342, "vocs_ppb": 55.87583333333333 } }, "official_outdoor": { "hourKey": "2026-04-08T20", "pm10_ugm3": 27.5, "pm1_ugm3": 13.2, "pm25_ugm3": 15.3, "no2_ugm3": 26.74316, "no_ugm3": 0.90737, "noxasno2_ugm3": 28.13443 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-08T20", "pm10_ugm3": 27.5, "pm1_ugm3": 13.2, "pm25_ugm3": 15.3, "no2_ugm3": 26.74316, "no_ugm3": 0.90737, "noxasno2_ugm3": 28.13443 }, "STN4": { "hourKey": "2026-04-08T20", "pm10_ugm3": 24.8, "pm1_ugm3": 13.9, "pm25_ugm3": 15.7, "no2_ugm3": 34.41687, "no_ugm3": 10.4452, "noxasno2_ugm3": 50.43263 }, "STN5": { "hourKey": "2026-04-08T20", "pm10_ugm3": 23.9, "pm1_ugm3": null, "pm25_ugm3": 14.9, "no2_ugm3": 19.25314, "no_ugm3": 0.27004, "noxasno2_ugm3": 19.66719 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-08T21", "hourStartLocal": "2026-04-08T21:00:00+01:00", "avg_co2_ppm": 864.5, "avg_tvoc_ppb": 122.5, "avg_pm25_ugm3": 6, "avg_temp_c": 23.4, "avg_humidity_pct": 51.4, "avg_pressure_hpa": 1011.25, "avg_no2_ppb": 28.77412878787879, "avg_o3_ppb": null, "avg_vocs_ppb": 57.70253787878788, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 893, "tvoc_ppb": 50, "pm25_ugm3": 5, "temp_c": 22.5, "humidity_pct": 53.9, "pressure_hpa": 1012.1, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 3, "norovirus_index": 3, "influenza_index": 3, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 836, "tvoc_ppb": 195, "pm25_ugm3": 7, "temp_c": 24.3, "humidity_pct": 48.9, "pressure_hpa": 1010.4, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 29.83916666666667, "vocs_ppb": 57.14416666666667 }, "K-A3 RENT 5": { "samples": 11, "no2_ppb": 27.70909090909091, "vocs_ppb": 58.26090909090909 } }, "official_outdoor": { "hourKey": "2026-04-08T21", "pm10_ugm3": 27.4, "pm1_ugm3": 16.4, "pm25_ugm3": 18, "no2_ugm3": 29.65487, "no_ugm3": 1.12531, "noxasno2_ugm3": 31.38033 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-08T21", "pm10_ugm3": 27.4, "pm1_ugm3": 16.4, "pm25_ugm3": 18, "no2_ugm3": 29.65487, "no_ugm3": 1.12531, "noxasno2_ugm3": 31.38033 }, "STN4": { "hourKey": "2026-04-08T21", "pm10_ugm3": 28.6, "pm1_ugm3": 17, "pm25_ugm3": 19, "no2_ugm3": 42.91554, "no_ugm3": 16.10171, "noxasno2_ugm3": 67.60448 }, "STN5": { "hourKey": "2026-04-08T21", "pm10_ugm3": 25, "pm1_ugm3": null, "pm25_ugm3": 16.6, "no2_ugm3": 17.7743, "no_ugm3": 0.25445, "noxasno2_ugm3": 18.16445 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-08T22", "hourStartLocal": "2026-04-08T22:00:00+01:00", "avg_co2_ppm": 670, "avg_tvoc_ppb": 58, "avg_pm25_ugm3": 5, "avg_temp_c": 22.8, "avg_humidity_pct": 50.05, "avg_pressure_hpa": 1010.75, "avg_no2_ppb": 37.52166666666667, "avg_o3_ppb": null, "avg_vocs_ppb": 49.69166666666666, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "likely_broad_outdoor_regional", "interpretation_reason": "Perimeter-side, airport-side, and forest-background official monitors rise together versus their rolling medians while indoor CO2 is not the dominant spike — consistent with broad outdoor uplift, not a single local indoor driver.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 737, "tvoc_ppb": 27, "pm25_ugm3": 3, "temp_c": 22.1, "humidity_pct": 52.7, "pressure_hpa": 1011.6, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 2, "influenza_index": 2, "vape_index": 1, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 603, "tvoc_ppb": 89, "pm25_ugm3": 7, "temp_c": 23.5, "humidity_pct": 47.4, "pressure_hpa": 1009.9, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 2, "influenza_index": 2, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 37.99750000000001, "vocs_ppb": 51.03999999999999 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 37.04583333333333, "vocs_ppb": 48.343333333333334 } }, "official_outdoor": { "hourKey": "2026-04-08T22", "pm10_ugm3": 32.7, "pm1_ugm3": 22.6, "pm25_ugm3": 23.9, "no2_ugm3": 32.32493, "no_ugm3": 1.17424, "noxasno2_ugm3": 34.12541 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-08T22", "pm10_ugm3": 32.7, "pm1_ugm3": 22.6, "pm25_ugm3": 23.9, "no2_ugm3": 32.32493, "no_ugm3": 1.17424, "noxasno2_ugm3": 34.12541 }, "STN4": { "hourKey": "2026-04-08T22", "pm10_ugm3": 37.4, "pm1_ugm3": 23.2, "pm25_ugm3": 25, "no2_ugm3": 60.7453, "no_ugm3": 23.88081, "noxasno2_ugm3": 97.36203 }, "STN5": { "hourKey": "2026-04-08T22", "pm10_ugm3": 29.6, "pm1_ugm3": null, "pm25_ugm3": 22, "no2_ugm3": 21.74034, "no_ugm3": 0.33615, "noxasno2_ugm3": 22.25576 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-08T23", "hourStartLocal": "2026-04-08T23:00:00+01:00", "avg_co2_ppm": 591.5, "avg_tvoc_ppb": 34, "avg_pm25_ugm3": 6, "avg_temp_c": 22.35, "avg_humidity_pct": 49.55, "avg_pressure_hpa": 1010.65, "avg_no2_ppb": 30.8875, "avg_o3_ppb": null, "avg_vocs_ppb": 49.89416666666666, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "likely_broad_outdoor_regional", "interpretation_reason": "Perimeter-side, airport-side, and forest-background official monitors rise together versus their rolling medians while indoor CO2 is not the dominant spike — consistent with broad outdoor uplift, not a single local indoor driver.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 690, "tvoc_ppb": 29, "pm25_ugm3": 5, "temp_c": 21.8, "humidity_pct": 52.1, "pressure_hpa": 1011.5, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 2, "influenza_index": 2, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 493, "tvoc_ppb": 39, "pm25_ugm3": 7, "temp_c": 22.9, "humidity_pct": 47, "pressure_hpa": 1009.8, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 1, "norovirus_index": 2, "influenza_index": 2, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 37.600833333333334, "vocs_ppb": 51.637499999999996 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 24.174166666666665, "vocs_ppb": 48.15083333333333 } }, "official_outdoor": { "hourKey": "2026-04-08T23", "pm10_ugm3": 43.2, "pm1_ugm3": 32.1, "pm25_ugm3": 33.3, "no2_ugm3": 41.92238, "no_ugm3": 1.82603, "noxasno2_ugm3": 44.72225 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-08T23", "pm10_ugm3": 43.2, "pm1_ugm3": 32.1, "pm25_ugm3": 33.3, "no2_ugm3": 41.92238, "no_ugm3": 1.82603, "noxasno2_ugm3": 44.72225 }, "STN4": { "hourKey": "2026-04-08T23", "pm10_ugm3": 39.9, "pm1_ugm3": 27, "pm25_ugm3": 28.5, "no2_ugm3": 64.70657, "no_ugm3": 15.72409, "noxasno2_ugm3": 88.8165 }, "STN5": { "hourKey": "2026-04-08T23", "pm10_ugm3": 33.7, "pm1_ugm3": null, "pm25_ugm3": 25.4, "no2_ugm3": 20.46997, "no_ugm3": 0.31276, "noxasno2_ugm3": 20.94953 } }, "fusion": { "official_sites_alignment": "partial", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-09T00", "hourStartLocal": "2026-04-09T00:00:00+01:00", "avg_co2_ppm": 581.5, "avg_tvoc_ppb": 47, "avg_pm25_ugm3": 6, "avg_temp_c": 22.200000000000003, "avg_humidity_pct": 49.8, "avg_pressure_hpa": 1010.45, "avg_no2_ppb": 48.011250000000004, "avg_o3_ppb": null, "avg_vocs_ppb": 53.77333333333333, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "likely_broad_outdoor_regional", "interpretation_reason": "Perimeter-side, airport-side, and forest-background official monitors rise together versus their rolling medians while indoor CO2 is not the dominant spike — consistent with broad outdoor uplift, not a single local indoor driver.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 669, "tvoc_ppb": 29, "pm25_ugm3": 5, "temp_c": 21.6, "humidity_pct": 52.2, "pressure_hpa": 1011.3, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 2, "influenza_index": 2, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 494, "tvoc_ppb": 65, "pm25_ugm3": 7, "temp_c": 22.8, "humidity_pct": 47.4, "pressure_hpa": 1009.6, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 1, "norovirus_index": 2, "influenza_index": 2, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 58.56416666666667, "vocs_ppb": 56.72083333333334 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 37.458333333333336, "vocs_ppb": 50.82583333333333 } }, "official_outdoor": { "hourKey": "2026-04-09T00", "pm10_ugm3": 42.8, "pm1_ugm3": 31.4, "pm25_ugm3": 32.6, "no2_ugm3": 58.63445, "no_ugm3": 4.18819, "noxasno2_ugm3": 65.05626 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-09T00", "pm10_ugm3": 42.8, "pm1_ugm3": 31.4, "pm25_ugm3": 32.6, "no2_ugm3": 58.63445, "no_ugm3": 4.18819, "noxasno2_ugm3": 65.05626 }, "STN4": { "hourKey": "2026-04-09T00", "pm10_ugm3": 35, "pm1_ugm3": 25.8, "pm25_ugm3": 26.9, "no2_ugm3": 52.82325, "no_ugm3": 1.18556, "noxasno2_ugm3": 54.64108 }, "STN5": { "hourKey": "2026-04-09T00", "pm10_ugm3": 32.6, "pm1_ugm3": null, "pm25_ugm3": 25, "no2_ugm3": 20.82282, "no_ugm3": 0.36359, "noxasno2_ugm3": 21.38032 } }, "fusion": { "official_sites_alignment": "partial", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "perimeter_higher" } }, { "hourKey": "2026-04-09T01", "hourStartLocal": "2026-04-09T01:00:00+01:00", "avg_co2_ppm": 567, "avg_tvoc_ppb": 61.5, "avg_pm25_ugm3": 6.5, "avg_temp_c": 22, "avg_humidity_pct": 50.900000000000006, "avg_pressure_hpa": 1010.05, "avg_no2_ppb": 47.37291666666667, "avg_o3_ppb": null, "avg_vocs_ppb": 51.083749999999995, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "likely_broad_outdoor_regional", "interpretation_reason": "Perimeter-side, airport-side, and forest-background official monitors rise together versus their rolling medians while indoor CO2 is not the dominant spike — consistent with broad outdoor uplift, not a single local indoor driver.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 629, "tvoc_ppb": 27, "pm25_ugm3": 6, "temp_c": 21.5, "humidity_pct": 52.7, "pressure_hpa": 1010.9, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 2, "influenza_index": 2, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 505, "tvoc_ppb": 96, "pm25_ugm3": 7, "temp_c": 22.5, "humidity_pct": 49.1, "pressure_hpa": 1009.2, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 1, "norovirus_index": 1, "influenza_index": 2, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 56.54750000000001, "vocs_ppb": 52.66416666666666 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 38.19833333333333, "vocs_ppb": 49.50333333333334 } }, "official_outdoor": { "hourKey": "2026-04-09T01", "pm10_ugm3": 43.1, "pm1_ugm3": 32, "pm25_ugm3": 33.1, "no2_ugm3": 55.93022, "no_ugm3": 2.7529, "noxasno2_ugm3": 60.15126 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-09T01", "pm10_ugm3": 43.1, "pm1_ugm3": 32, "pm25_ugm3": 33.1, "no2_ugm3": 55.93022, "no_ugm3": 2.7529, "noxasno2_ugm3": 60.15126 }, "STN4": { "hourKey": "2026-04-09T01", "pm10_ugm3": 43.7, "pm1_ugm3": 30.4, "pm25_ugm3": 32.1, "no2_ugm3": 53.84166, "no_ugm3": 5.34032, "noxasno2_ugm3": 62.03003 }, "STN5": { "hourKey": "2026-04-09T01", "pm10_ugm3": 35.5, "pm1_ugm3": null, "pm25_ugm3": 27.9, "no2_ugm3": 16.64688, "no_ugm3": 0.47709, "noxasno2_ugm3": 17.37841 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-09T02", "hourStartLocal": "2026-04-09T02:00:00+01:00", "avg_co2_ppm": 556, "avg_tvoc_ppb": 65, "avg_pm25_ugm3": 6, "avg_temp_c": 21.8, "avg_humidity_pct": 52.25, "avg_pressure_hpa": 1009.6, "avg_no2_ppb": 39.11916666666667, "avg_o3_ppb": null, "avg_vocs_ppb": 48.85041666666666, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "likely_broad_outdoor_regional", "interpretation_reason": "Perimeter-side, airport-side, and forest-background official monitors rise together versus their rolling medians while indoor CO2 is not the dominant spike — consistent with broad outdoor uplift, not a single local indoor driver.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 611, "tvoc_ppb": 28, "pm25_ugm3": 5, "temp_c": 21.3, "humidity_pct": 53.9, "pressure_hpa": 1010.5, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 2, "influenza_index": 2, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 501, "tvoc_ppb": 102, "pm25_ugm3": 7, "temp_c": 22.3, "humidity_pct": 50.6, "pressure_hpa": 1008.7, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 1, "influenza_index": 2, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 44.80500000000001, "vocs_ppb": 50.69666666666666 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 33.43333333333333, "vocs_ppb": 47.00416666666666 } }, "official_outdoor": { "hourKey": "2026-04-09T02", "pm10_ugm3": 42.7, "pm1_ugm3": 28.1, "pm25_ugm3": 29.8, "no2_ugm3": 67.86891, "no_ugm3": 5.05587, "noxasno2_ugm3": 75.62114 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-09T02", "pm10_ugm3": 42.7, "pm1_ugm3": 28.1, "pm25_ugm3": 29.8, "no2_ugm3": 67.86891, "no_ugm3": 5.05587, "noxasno2_ugm3": 75.62114 }, "STN4": { "hourKey": "2026-04-09T02", "pm10_ugm3": 40.8, "pm1_ugm3": 27.7, "pm25_ugm3": 29.3, "no2_ugm3": 40.66166, "no_ugm3": 2.50271, "noxasno2_ugm3": 44.49909 }, "STN5": { "hourKey": "2026-04-09T02", "pm10_ugm3": 31.6, "pm1_ugm3": null, "pm25_ugm3": 25.6, "no2_ugm3": 18.25912, "no_ugm3": 0.51919, "noxasno2_ugm3": 19.05519 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-09T03", "hourStartLocal": "2026-04-09T03:00:00+01:00", "avg_co2_ppm": 549, "avg_tvoc_ppb": 61, "avg_pm25_ugm3": 6, "avg_temp_c": 21.55, "avg_humidity_pct": 52.65, "avg_pressure_hpa": 1009.25, "avg_no2_ppb": 40.205416666666665, "avg_o3_ppb": null, "avg_vocs_ppb": 48.557500000000005, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "likely_broad_outdoor_regional", "interpretation_reason": "Perimeter-side, airport-side, and forest-background official monitors rise together versus their rolling medians while indoor CO2 is not the dominant spike — consistent with broad outdoor uplift, not a single local indoor driver.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 603, "tvoc_ppb": 27, "pm25_ugm3": 5, "temp_c": 21.1, "humidity_pct": 54, "pressure_hpa": 1010.1, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 2, "influenza_index": 2, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 495, "tvoc_ppb": 95, "pm25_ugm3": 7, "temp_c": 22, "humidity_pct": 51.3, "pressure_hpa": 1008.4, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 1, "influenza_index": 2, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 51.747499999999995, "vocs_ppb": 50.61500000000001 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 28.66333333333333, "vocs_ppb": 46.49999999999999 } }, "official_outdoor": { "hourKey": "2026-04-09T03", "pm10_ugm3": 40.5, "pm1_ugm3": 26.7, "pm25_ugm3": 28.3, "no2_ugm3": 57.67469, "no_ugm3": 5.16809, "noxasno2_ugm3": 65.59899 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-09T03", "pm10_ugm3": 40.5, "pm1_ugm3": 26.7, "pm25_ugm3": 28.3, "no2_ugm3": 57.67469, "no_ugm3": 5.16809, "noxasno2_ugm3": 65.59899 }, "STN4": { "hourKey": "2026-04-09T03", "pm10_ugm3": 43.1, "pm1_ugm3": 28.9, "pm25_ugm3": 30.6, "no2_ugm3": 40.27343, "no_ugm3": 12.43964, "noxasno2_ugm3": 59.34727 }, "STN5": { "hourKey": "2026-04-09T03", "pm10_ugm3": 32.8, "pm1_ugm3": null, "pm25_ugm3": 24.2, "no2_ugm3": 17.99997, "no_ugm3": 0.56316, "noxasno2_ugm3": 18.86347 } }, "fusion": { "official_sites_alignment": "partial", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-09T04", "hourStartLocal": "2026-04-09T04:00:00+01:00", "avg_co2_ppm": 559, "avg_tvoc_ppb": 76.5, "avg_pm25_ugm3": 5, "avg_temp_c": 21.450000000000003, "avg_humidity_pct": 53.5, "avg_pressure_hpa": 1009.05, "avg_no2_ppb": 42.115530303030305, "avg_o3_ppb": null, "avg_vocs_ppb": 49.75128787878788, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 590, "tvoc_ppb": 24, "pm25_ugm3": 3, "temp_c": 21.1, "humidity_pct": 54.3, "pressure_hpa": 1009.9, "no2_ppb": null, "o3_ppb": null, "virus_index": 1, "mold_index": 2, "norovirus_index": 1, "influenza_index": 2, "vape_index": 1, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 528, "tvoc_ppb": 129, "pm25_ugm3": 7, "temp_c": 21.8, "humidity_pct": 52.7, "pressure_hpa": 1008.2, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 2, "influenza_index": 2, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 50.68833333333333, "vocs_ppb": 50.90166666666667 }, "K-A3 RENT 5": { "samples": 11, "no2_ppb": 33.54272727272728, "vocs_ppb": 48.600909090909084 } }, "official_outdoor": { "hourKey": "2026-04-09T04", "pm10_ugm3": 44, "pm1_ugm3": 26.9, "pm25_ugm3": 29, "no2_ugm3": 78.87202, "no_ugm3": 10.22807, "noxasno2_ugm3": 94.55485 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-09T04", "pm10_ugm3": 44, "pm1_ugm3": 26.9, "pm25_ugm3": 29, "no2_ugm3": 78.87202, "no_ugm3": 10.22807, "noxasno2_ugm3": 94.55485 }, "STN4": { "hourKey": "2026-04-09T04", "pm10_ugm3": 40.5, "pm1_ugm3": 26.4, "pm25_ugm3": 28, "no2_ugm3": 33.96696, "no_ugm3": 3.62746, "noxasno2_ugm3": 39.52898 }, "STN5": { "hourKey": "2026-04-09T04", "pm10_ugm3": 31.3, "pm1_ugm3": null, "pm25_ugm3": 23.1, "no2_ugm3": 16.89503, "no_ugm3": 1.61182, "noxasno2_ugm3": 19.36645 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-09T05", "hourStartLocal": "2026-04-09T05:00:00+01:00", "avg_co2_ppm": 969.5, "avg_tvoc_ppb": 249, "avg_pm25_ugm3": 5.5, "avg_temp_c": 21.55, "avg_humidity_pct": 58.2, "avg_pressure_hpa": 1008.6, "avg_no2_ppb": 42.69333333333333, "avg_o3_ppb": null, "avg_vocs_ppb": 49.21583333333332, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 966, "tvoc_ppb": 81, "pm25_ugm3": 4, "temp_c": 21.3, "humidity_pct": 58.7, "pressure_hpa": 1009.5, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 4, "norovirus_index": 4, "influenza_index": 3, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 973, "tvoc_ppb": 417, "pm25_ugm3": 7, "temp_c": 21.8, "humidity_pct": 57.7, "pressure_hpa": 1007.7, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 3, "norovirus_index": 4, "influenza_index": 4, "vape_index": 4, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 48.34833333333333, "vocs_ppb": 49.95499999999999 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 37.038333333333334, "vocs_ppb": 48.47666666666666 } }, "official_outdoor": { "hourKey": "2026-04-09T05", "pm10_ugm3": 35.7, "pm1_ugm3": 22.6, "pm25_ugm3": 24.5, "no2_ugm3": 68.95866, "no_ugm3": 8.3846, "noxasno2_ugm3": 81.81485 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-09T05", "pm10_ugm3": 35.7, "pm1_ugm3": 22.6, "pm25_ugm3": 24.5, "no2_ugm3": 68.95866, "no_ugm3": 8.3846, "noxasno2_ugm3": 81.81485 }, "STN4": { "hourKey": "2026-04-09T05", "pm10_ugm3": 38.9, "pm1_ugm3": 26.7, "pm25_ugm3": 28.1, "no2_ugm3": 38.3767, "no_ugm3": 5.91969, "noxasno2_ugm3": 47.45343 }, "STN5": { "hourKey": "2026-04-09T05", "pm10_ugm3": 32.1, "pm1_ugm3": null, "pm25_ugm3": 24.3, "no2_ugm3": 15.0289, "no_ugm3": 0.83226, "noxasno2_ugm3": 16.30502 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-09T06", "hourStartLocal": "2026-04-09T06:00:00+01:00", "avg_co2_ppm": 1209, "avg_tvoc_ppb": 292.5, "avg_pm25_ugm3": 7.5, "avg_temp_c": 21.6, "avg_humidity_pct": 61.349999999999994, "avg_pressure_hpa": 1008.25, "avg_no2_ppb": 43.5475, "avg_o3_ppb": null, "avg_vocs_ppb": 48.537916666666675, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 1378, "tvoc_ppb": 153, "pm25_ugm3": 6, "temp_c": 21.4, "humidity_pct": 63.8, "pressure_hpa": 1009.1, "no2_ppb": null, "o3_ppb": null, "virus_index": 5, "mold_index": 5, "norovirus_index": 6, "influenza_index": 5, "vape_index": 3, "pollen_index": 2, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 1040, "tvoc_ppb": 432, "pm25_ugm3": 9, "temp_c": 21.8, "humidity_pct": 58.9, "pressure_hpa": 1007.4, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 4, "norovirus_index": 4, "influenza_index": 4, "vape_index": 4, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 48.93416666666666, "vocs_ppb": 48.65 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 38.160833333333336, "vocs_ppb": 48.425833333333344 } }, "official_outdoor": { "hourKey": "2026-04-09T06", "pm10_ugm3": 35.8, "pm1_ugm3": 19.3, "pm25_ugm3": 22.1, "no2_ugm3": 52.29859, "no_ugm3": 6.43882, "noxasno2_ugm3": 62.17131 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-09T06", "pm10_ugm3": 35.8, "pm1_ugm3": 19.3, "pm25_ugm3": 22.1, "no2_ugm3": 52.29859, "no_ugm3": 6.43882, "noxasno2_ugm3": 62.17131 }, "STN4": { "hourKey": "2026-04-09T06", "pm10_ugm3": 36.2, "pm1_ugm3": 23.1, "pm25_ugm3": 24.8, "no2_ugm3": 36.38436, "no_ugm3": 12.70282, "noxasno2_ugm3": 55.86173 }, "STN5": { "hourKey": "2026-04-09T06", "pm10_ugm3": 31.5, "pm1_ugm3": null, "pm25_ugm3": 23.2, "no2_ugm3": 16.37769, "no_ugm3": 2.3602, "noxasno2_ugm3": 19.99662 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-09T07", "hourStartLocal": "2026-04-09T07:00:00+01:00", "avg_co2_ppm": 1197.5, "avg_tvoc_ppb": 269.5, "avg_pm25_ugm3": 7, "avg_temp_c": 21.75, "avg_humidity_pct": 61.75, "avg_pressure_hpa": 1008.05, "avg_no2_ppb": 52.35124999999999, "avg_o3_ppb": null, "avg_vocs_ppb": 54.13875, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 1307, "tvoc_ppb": 141, "pm25_ugm3": 5, "temp_c": 21.5, "humidity_pct": 63.6, "pressure_hpa": 1008.9, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 5, "norovirus_index": 5, "influenza_index": 5, "vape_index": 3, "pollen_index": 2, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 1088, "tvoc_ppb": 398, "pm25_ugm3": 9, "temp_c": 22, "humidity_pct": 59.9, 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"pm1_ugm3": null, "pm25_ugm3": 21, "no2_ugm3": 16.15202, "no_ugm3": 10.28087, "noxasno2_ugm3": 31.9158 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-09T08", "hourStartLocal": "2026-04-09T08:00:00+01:00", "avg_co2_ppm": 931, "avg_tvoc_ppb": 151.5, "avg_pm25_ugm3": 7, "avg_temp_c": 21.85, "avg_humidity_pct": 60.1, "avg_pressure_hpa": 1007.85, "avg_no2_ppb": 42.29083333333333, "avg_o3_ppb": null, "avg_vocs_ppb": 49.622083333333336, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 918, "tvoc_ppb": 54, "pm25_ugm3": 6, "temp_c": 21.5, "humidity_pct": 60.7, 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"pm25_ugm3": 14.8, "no2_ugm3": 25.63052, "no_ugm3": 6.41624, "noxasno2_ugm3": 35.46861 }, "STN4": { "hourKey": "2026-04-09T08", "pm10_ugm3": 30.7, "pm1_ugm3": 12.6, "pm25_ugm3": 16.1, "no2_ugm3": 21.69014, "no_ugm3": 7.02136, "noxasno2_ugm3": 32.45608 }, "STN5": { "hourKey": "2026-04-09T08", "pm10_ugm3": 25.1, "pm1_ugm3": null, "pm25_ugm3": 15.7, "no2_ugm3": 15.65812, "no_ugm3": 3.77932, "noxasno2_ugm3": 21.45299 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-09T09", "hourStartLocal": "2026-04-09T09:00:00+01:00", "avg_co2_ppm": 886, "avg_tvoc_ppb": 132, "avg_pm25_ugm3": 7, "avg_temp_c": 22.200000000000003, "avg_humidity_pct": 60.15, "avg_pressure_hpa": 1007.65, "avg_no2_ppb": 25.752916666666664, "avg_o3_ppb": null, "avg_vocs_ppb": 56.467083333333335, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 878, "tvoc_ppb": 44, "pm25_ugm3": 6, "temp_c": 21.8, "humidity_pct": 60.9, "pressure_hpa": 1008.5, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 4, "norovirus_index": 4, "influenza_index": 4, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 894, "tvoc_ppb": 220, "pm25_ugm3": 8, "temp_c": 22.6, "humidity_pct": 59.4, "pressure_hpa": 1006.8, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 4, "norovirus_index": 3, "influenza_index": 4, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 30.5325, "vocs_ppb": 62.537499999999994 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 20.973333333333333, 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null, "virus_index": 3, "mold_index": 4, "norovirus_index": 3, "influenza_index": 4, "vape_index": 3, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 23.340833333333332, "vocs_ppb": 66.03666666666668 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 19.25666666666667, "vocs_ppb": 56.73083333333333 } }, "official_outdoor": { "hourKey": "2026-04-09T10", "pm10_ugm3": 25.6, "pm1_ugm3": 8.7, "pm25_ugm3": 12.1, "no2_ugm3": 17.86194, "no_ugm3": 4.29905, "noxasno2_ugm3": 24.45372 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-09T10", "pm10_ugm3": 25.6, "pm1_ugm3": 8.7, "pm25_ugm3": 12.1, "no2_ugm3": 17.86194, "no_ugm3": 4.29905, "noxasno2_ugm3": 24.45372 }, "STN4": { "hourKey": "2026-04-09T10", "pm10_ugm3": 24.4, "pm1_ugm3": 8.7, "pm25_ugm3": 12.2, "no2_ugm3": 11.57828, "no_ugm3": 3.37582, "noxasno2_ugm3": 16.75446 }, "STN5": { "hourKey": "2026-04-09T10", "pm10_ugm3": 23.7, "pm1_ugm3": null, "pm25_ugm3": 11.1, "no2_ugm3": 13.71884, "no_ugm3": 3.5177, "noxasno2_ugm3": 19.11257 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "broad_regional_uplift", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-09T11", "hourStartLocal": "2026-04-09T11:00:00+01:00", "avg_co2_ppm": 822.5, "avg_tvoc_ppb": 78, "avg_pm25_ugm3": 8, "avg_temp_c": 22.95, "avg_humidity_pct": 58.400000000000006, "avg_pressure_hpa": 1006.95, "avg_no2_ppb": 23.231666666666666, "avg_o3_ppb": null, "avg_vocs_ppb": 63.779583333333335, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 730, "tvoc_ppb": 27, "pm25_ugm3": 7, "temp_c": 22.5, "humidity_pct": 58.6, "pressure_hpa": 1007.8, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 4, "norovirus_index": 3, "influenza_index": 3, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 915, "tvoc_ppb": 129, "pm25_ugm3": 9, "temp_c": 23.4, "humidity_pct": 58.2, "pressure_hpa": 1006.1, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 4, "norovirus_index": 4, "influenza_index": 4, "vape_index": 3, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 35.93833333333333, "vocs_ppb": 72.325 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 10.525, "vocs_ppb": 55.234166666666674 } }, "official_outdoor": { "hourKey": "2026-04-09T11", "pm10_ugm3": 22.2, "pm1_ugm3": 5.2, "pm25_ugm3": 8.6, "no2_ugm3": 13.21508, "no_ugm3": 2.67762, "noxasno2_ugm3": 17.32071 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-09T11", "pm10_ugm3": 22.2, "pm1_ugm3": 5.2, "pm25_ugm3": 8.6, "no2_ugm3": 13.21508, "no_ugm3": 2.67762, "noxasno2_ugm3": 17.32071 }, "STN4": { "hourKey": "2026-04-09T11", "pm10_ugm3": 20.8, "pm1_ugm3": 5, "pm25_ugm3": 8.5, "no2_ugm3": 7.35213, "no_ugm3": 1.9118, "noxasno2_ugm3": 10.28351 }, "STN5": { "hourKey": "2026-04-09T11", "pm10_ugm3": 84.7, "pm1_ugm3": null, "pm25_ugm3": 13.2, "no2_ugm3": 10.14199, "no_ugm3": 8.06941, "noxasno2_ugm3": 22.51491 } }, "fusion": { "official_sites_alignment": "partial", "airport_side_vs_forest_flag": "elevated_forest_background", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-09T12", "hourStartLocal": "2026-04-09T12:00:00+01:00", "avg_co2_ppm": 872.5, "avg_tvoc_ppb": 86, "avg_pm25_ugm3": 7.5, "avg_temp_c": 23.450000000000003, "avg_humidity_pct": 55.95, "avg_pressure_hpa": 1006.4000000000001, "avg_no2_ppb": 16.085416666666664, "avg_o3_ppb": null, "avg_vocs_ppb": 62.22625000000001, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 703, "tvoc_ppb": 13, "pm25_ugm3": 6, "temp_c": 22.8, "humidity_pct": 54.9, "pressure_hpa": 1007.2, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 2, "influenza_index": 3, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 1042, "tvoc_ppb": 159, "pm25_ugm3": 9, "temp_c": 24.1, "humidity_pct": 57, "pressure_hpa": 1005.6, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 4, "norovirus_index": 4, "influenza_index": 4, "vape_index": 3, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 24.671666666666663, "vocs_ppb": 71.7125 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 7.4991666666666665, "vocs_ppb": 52.74 } }, "official_outdoor": { "hourKey": "2026-04-09T12", "pm10_ugm3": 26.9, "pm1_ugm3": 3.4, "pm25_ugm3": 7.4, "no2_ugm3": 13.08175, "no_ugm3": 2.31906, "noxasno2_ugm3": 16.63758 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-09T12", "pm10_ugm3": 26.9, "pm1_ugm3": 3.4, "pm25_ugm3": 7.4, "no2_ugm3": 13.08175, "no_ugm3": 2.31906, "noxasno2_ugm3": 16.63758 }, "STN4": { "hourKey": "2026-04-09T12", "pm10_ugm3": 22.3, "pm1_ugm3": 3.4, "pm25_ugm3": 7.3, "no2_ugm3": 4.28113, "no_ugm3": 1.03027, "noxasno2_ugm3": 5.86086 }, "STN5": { "hourKey": "2026-04-09T12", "pm10_ugm3": 22.8, "pm1_ugm3": null, "pm25_ugm3": 6.9, "no2_ugm3": 5.30241, "no_ugm3": 1.19367, "noxasno2_ugm3": 7.13267 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-09T13", "hourStartLocal": "2026-04-09T13:00:00+01:00", "avg_co2_ppm": 667.5, "avg_tvoc_ppb": 126, "avg_pm25_ugm3": 8.5, "avg_temp_c": 23.4, "avg_humidity_pct": 52.599999999999994, "avg_pressure_hpa": 1005.95, "avg_no2_ppb": 6.6, "avg_o3_ppb": null, "avg_vocs_ppb": 57.76083333333334, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 637, "tvoc_ppb": 24, "pm25_ugm3": 8, "temp_c": 22.9, "humidity_pct": 52.9, "pressure_hpa": 1006.8, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 2, "influenza_index": 2, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 698, "tvoc_ppb": 228, "pm25_ugm3": 9, "temp_c": 23.9, "humidity_pct": 52.3, "pressure_hpa": 1005.1, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 2, "influenza_index": 3, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 8.336666666666668, "vocs_ppb": 67.36583333333334 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 4.863333333333332, "vocs_ppb": 48.155833333333334 } }, "official_outdoor": { "hourKey": "2026-04-09T13", "pm10_ugm3": 31.5, "pm1_ugm3": 3.9, "pm25_ugm3": 8.7, "no2_ugm3": 10.88075, "no_ugm3": 1.69738, "noxasno2_ugm3": 13.48336 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-09T13", "pm10_ugm3": 31.5, "pm1_ugm3": 3.9, "pm25_ugm3": 8.7, "no2_ugm3": 10.88075, "no_ugm3": 1.69738, "noxasno2_ugm3": 13.48336 }, "STN4": { "hourKey": "2026-04-09T13", "pm10_ugm3": 22.8, "pm1_ugm3": 4, "pm25_ugm3": 8, "no2_ugm3": 3.50753, "no_ugm3": 0.691, "noxasno2_ugm3": 4.56705 }, "STN5": { "hourKey": "2026-04-09T13", "pm10_ugm3": 24.8, "pm1_ugm3": null, "pm25_ugm3": 7.8, "no2_ugm3": 2.91848, "no_ugm3": 0.75493, "noxasno2_ugm3": 4.07602 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-09T14", "hourStartLocal": "2026-04-09T14:00:00+01:00", "avg_co2_ppm": 705.5, "avg_tvoc_ppb": 530.5, "avg_pm25_ugm3": 6, "avg_temp_c": 24.1, "avg_humidity_pct": 52.6, "avg_pressure_hpa": 1005.55, "avg_no2_ppb": 5.212083333333334, "avg_o3_ppb": null, "avg_vocs_ppb": 57.44916666666667, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 671, "tvoc_ppb": 22, "pm25_ugm3": 5, "temp_c": 23, "humidity_pct": 54.7, "pressure_hpa": 1006.4, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 3, "norovirus_index": 2, "influenza_index": 3, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 740, "tvoc_ppb": 1039, "pm25_ugm3": 7, "temp_c": 25.2, "humidity_pct": 50.5, "pressure_hpa": 1004.7, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 2, "influenza_index": 3, "vape_index": 4, "pollen_index": 1, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 6.803333333333335, "vocs_ppb": 65.48916666666666 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 3.6208333333333336, "vocs_ppb": 49.40916666666667 } }, "official_outdoor": { "hourKey": "2026-04-09T14", "pm10_ugm3": 24.5, "pm1_ugm3": 4.2, "pm25_ugm3": 7.8, "no2_ugm3": 12.59308, "no_ugm3": 1.54752, "noxasno2_ugm3": 14.96592 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-09T14", "pm10_ugm3": 24.5, "pm1_ugm3": 4.2, "pm25_ugm3": 7.8, "no2_ugm3": 12.59308, "no_ugm3": 1.54752, "noxasno2_ugm3": 14.96592 }, "STN4": { "hourKey": "2026-04-09T14", "pm10_ugm3": 16.7, "pm1_ugm3": 3.9, "pm25_ugm3": 6.6, "no2_ugm3": 3.43485, "no_ugm3": 0.54164, "noxasno2_ugm3": 4.26535 }, "STN5": { "hourKey": "2026-04-09T14", "pm10_ugm3": 21.5, "pm1_ugm3": null, "pm25_ugm3": 7.4, "no2_ugm3": 3.36696, "no_ugm3": 0.57937, "noxasno2_ugm3": 4.25531 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "perimeter_higher" } }, { "hourKey": "2026-04-09T15", "hourStartLocal": "2026-04-09T15:00:00+01:00", "avg_co2_ppm": 835, "avg_tvoc_ppb": 68, "avg_pm25_ugm3": 6, "avg_temp_c": 23.85, "avg_humidity_pct": 52.8, "avg_pressure_hpa": 1005.5, "avg_no2_ppb": 27.402916666666666, "avg_o3_ppb": null, "avg_vocs_ppb": 52.350416666666675, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 765, "tvoc_ppb": 32, "pm25_ugm3": 5, "temp_c": 22.7, "humidity_pct": 54.8, "pressure_hpa": 1006.4, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 2, "influenza_index": 3, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 905, "tvoc_ppb": 104, "pm25_ugm3": 7, "temp_c": 25, "humidity_pct": 50.8, "pressure_hpa": 1004.6, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 3, "norovirus_index": 3, "influenza_index": 4, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 50.19, "vocs_ppb": 60.25666666666668 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 4.615833333333334, "vocs_ppb": 44.44416666666667 } }, "official_outdoor": { "hourKey": "2026-04-09T15", "pm10_ugm3": 17.2, "pm1_ugm3": 2.7, "pm25_ugm3": 5, "no2_ugm3": 13.91495, "no_ugm3": 1.72236, "noxasno2_ugm3": 16.55586 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-09T15", "pm10_ugm3": 17.2, "pm1_ugm3": 2.7, "pm25_ugm3": 5, "no2_ugm3": 13.91495, "no_ugm3": 1.72236, "noxasno2_ugm3": 16.55586 }, "STN4": { "hourKey": "2026-04-09T15", "pm10_ugm3": 12, "pm1_ugm3": 2.5, "pm25_ugm3": 4.2, "no2_ugm3": 3.37604, "no_ugm3": 0.4615, "noxasno2_ugm3": 4.08367 }, "STN5": { "hourKey": "2026-04-09T15", "pm10_ugm3": 13.3, "pm1_ugm3": null, "pm25_ugm3": 4.4, "no2_ugm3": 3.11977, "no_ugm3": 0.39446, "noxasno2_ugm3": 3.72459 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "perimeter_higher" } }, { "hourKey": "2026-04-09T16", "hourStartLocal": "2026-04-09T16:00:00+01:00", "avg_co2_ppm": 793, "avg_tvoc_ppb": 57, "avg_pm25_ugm3": 6, "avg_temp_c": 23.55, "avg_humidity_pct": 46, "avg_pressure_hpa": 1005.05, "avg_no2_ppb": 90.80041666666668, "avg_o3_ppb": null, "avg_vocs_ppb": 48.96416666666667, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 640, "tvoc_ppb": 10, "pm25_ugm3": 5, "temp_c": 22.3, "humidity_pct": 46.1, "pressure_hpa": 1005.9, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 2, "influenza_index": 2, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 946, "tvoc_ppb": 104, "pm25_ugm3": 7, "temp_c": 24.8, "humidity_pct": 45.9, "pressure_hpa": 1004.2, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 4, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 180.24750000000003, "vocs_ppb": 62.279166666666676 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 1.3533333333333333, "vocs_ppb": 35.649166666666666 } }, "official_outdoor": { "hourKey": "2026-04-09T16", "pm10_ugm3": 13, "pm1_ugm3": 2.3, "pm25_ugm3": 3.7, "no2_ugm3": 13.7147, "no_ugm3": 1.06202, "noxasno2_ugm3": 15.3431 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-09T16", "pm10_ugm3": 13, "pm1_ugm3": 2.3, "pm25_ugm3": 3.7, "no2_ugm3": 13.7147, "no_ugm3": 1.06202, "noxasno2_ugm3": 15.3431 }, "STN4": { "hourKey": "2026-04-09T16", "pm10_ugm3": 9, "pm1_ugm3": 2.1, "pm25_ugm3": 3.2, "no2_ugm3": 4.00143, "no_ugm3": 0.43624, "noxasno2_ugm3": 4.67033 }, "STN5": { "hourKey": "2026-04-09T16", "pm10_ugm3": 9.9, "pm1_ugm3": null, "pm25_ugm3": 3.2, "no2_ugm3": 2.83958, "no_ugm3": 0.27254, "noxasno2_ugm3": 3.25747 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-09T17", "hourStartLocal": "2026-04-09T17:00:00+01:00", "avg_co2_ppm": 731.5, "avg_tvoc_ppb": 40.5, "avg_pm25_ugm3": 4.5, "avg_temp_c": 22.9, "avg_humidity_pct": 47.599999999999994, "avg_pressure_hpa": 1005.55, "avg_no2_ppb": 8.368333333333334, "avg_o3_ppb": null, "avg_vocs_ppb": 38.50875, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 691, "tvoc_ppb": 20, "pm25_ugm3": 3, "temp_c": 21.8, "humidity_pct": 49.4, "pressure_hpa": 1006.4, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 2, "norovirus_index": 1, "influenza_index": 2, "vape_index": 1, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 772, "tvoc_ppb": 61, "pm25_ugm3": 6, "temp_c": 24, "humidity_pct": 45.8, "pressure_hpa": 1004.7, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 11.9975, "vocs_ppb": 44.59 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 4.739166666666667, "vocs_ppb": 32.427499999999995 } }, "official_outdoor": { "hourKey": "2026-04-09T17", "pm10_ugm3": 29.6, "pm1_ugm3": 1.7, "pm25_ugm3": 4.8, "no2_ugm3": 14.3115, "no_ugm3": 1.24985, "noxasno2_ugm3": 16.22792 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-09T17", "pm10_ugm3": 29.6, "pm1_ugm3": 1.7, "pm25_ugm3": 4.8, "no2_ugm3": 14.3115, "no_ugm3": 1.24985, "noxasno2_ugm3": 16.22792 }, "STN4": { "hourKey": "2026-04-09T17", "pm10_ugm3": 9.2, "pm1_ugm3": 1.6, "pm25_ugm3": 3, "no2_ugm3": 3.03466, "no_ugm3": 0.36639, "noxasno2_ugm3": 3.59646 }, "STN5": { "hourKey": "2026-04-09T17", "pm10_ugm3": 12.5, "pm1_ugm3": null, "pm25_ugm3": 3.2, "no2_ugm3": 3.01267, "no_ugm3": 0.19926, "noxasno2_ugm3": 3.31819 } }, "fusion": { "official_sites_alignment": "diverging", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "perimeter_higher" } }, { "hourKey": "2026-04-09T18", "hourStartLocal": "2026-04-09T18:00:00+01:00", "avg_co2_ppm": 1020.5, "avg_tvoc_ppb": 109.5, "avg_pm25_ugm3": 6, "avg_temp_c": 22.75, "avg_humidity_pct": 52.7, "avg_pressure_hpa": 1006.05, "avg_no2_ppb": 18.93541666666667, "avg_o3_ppb": null, "avg_vocs_ppb": 32.345, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 1042, "tvoc_ppb": 108, "pm25_ugm3": 6, "temp_c": 21.7, "humidity_pct": 55.6, "pressure_hpa": 1006.9, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 3, "norovirus_index": 3, "influenza_index": 4, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 999, "tvoc_ppb": 111, "pm25_ugm3": 6, "temp_c": 23.8, "humidity_pct": 49.8, "pressure_hpa": 1005.2, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 23.048333333333336, "vocs_ppb": 37.016666666666666 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 14.8225, "vocs_ppb": 27.673333333333336 } }, "official_outdoor": { "hourKey": "2026-04-09T18", "pm10_ugm3": 12, "pm1_ugm3": 2.1, "pm25_ugm3": 4.1, "no2_ugm3": 18.93399, "no_ugm3": 2.03747, "noxasno2_ugm3": 22.05807 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-09T18", "pm10_ugm3": 12, "pm1_ugm3": 2.1, "pm25_ugm3": 4.1, "no2_ugm3": 18.93399, "no_ugm3": 2.03747, "noxasno2_ugm3": 22.05807 }, "STN4": { "hourKey": "2026-04-09T18", "pm10_ugm3": 8.9, "pm1_ugm3": 2, "pm25_ugm3": 3.5, "no2_ugm3": 3.49127, "no_ugm3": 0.36359, "noxasno2_ugm3": 4.04876 }, "STN5": { "hourKey": "2026-04-09T18", "pm10_ugm3": 10.4, "pm1_ugm3": null, "pm25_ugm3": 4.4, "no2_ugm3": 3.66292, "no_ugm3": 0.1952, "noxasno2_ugm3": 3.96222 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-09T19", "hourStartLocal": "2026-04-09T19:00:00+01:00", "avg_co2_ppm": 928.5, "avg_tvoc_ppb": 92.5, "avg_pm25_ugm3": 8, "avg_temp_c": 22.4, "avg_humidity_pct": 50.85, "avg_pressure_hpa": 1006.75, "avg_no2_ppb": 24.347500000000004, "avg_o3_ppb": null, "avg_vocs_ppb": 32.62291666666666, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 1010, "tvoc_ppb": 108, "pm25_ugm3": 8, "temp_c": 21.5, "humidity_pct": 54.5, "pressure_hpa": 1007.6, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 3, "norovirus_index": 3, "influenza_index": 3, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 847, "tvoc_ppb": 77, "pm25_ugm3": 8, "temp_c": 23.3, "humidity_pct": 47.2, "pressure_hpa": 1005.9, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 31.21666666666667, "vocs_ppb": 37.55 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 17.478333333333335, "vocs_ppb": 27.69583333333333 } }, "official_outdoor": { "hourKey": "2026-04-09T19", "pm10_ugm3": 15.3, "pm1_ugm3": 3, "pm25_ugm3": 5.5, "no2_ugm3": 27.85259, "no_ugm3": 2.65094, "noxasno2_ugm3": 31.9173 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-09T19", "pm10_ugm3": 15.3, "pm1_ugm3": 3, "pm25_ugm3": 5.5, "no2_ugm3": 27.85259, "no_ugm3": 2.65094, "noxasno2_ugm3": 31.9173 }, "STN4": { "hourKey": "2026-04-09T19", "pm10_ugm3": 10.1, "pm1_ugm3": 2.6, "pm25_ugm3": 4.5, "no2_ugm3": 3.09251, "no_ugm3": 0.30154, "noxasno2_ugm3": 3.55486 }, "STN5": { "hourKey": "2026-04-09T19", "pm10_ugm3": 13.1, "pm1_ugm3": null, "pm25_ugm3": 5.4, "no2_ugm3": 3.49127, "no_ugm3": 0.15186, "noxasno2_ugm3": 3.72412 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "perimeter_higher" } }, { "hourKey": "2026-04-09T20", "hourStartLocal": "2026-04-09T20:00:00+01:00", "avg_co2_ppm": 740, "avg_tvoc_ppb": 43.5, "avg_pm25_ugm3": 6.5, "avg_temp_c": 21.5, "avg_humidity_pct": 45.55, "avg_pressure_hpa": 1008.45, "avg_no2_ppb": 14.681250000000002, "avg_o3_ppb": null, "avg_vocs_ppb": 25.960833333333333, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 843, "tvoc_ppb": 59, "pm25_ugm3": 7, "temp_c": 21.3, "humidity_pct": 49.2, "pressure_hpa": 1009.3, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 2, "influenza_index": 3, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 637, "tvoc_ppb": 28, "pm25_ugm3": 6, "temp_c": 21.7, "humidity_pct": 41.9, "pressure_hpa": 1007.6, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 1, "norovirus_index": 3, "influenza_index": 3, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 18.415000000000003, "vocs_ppb": 29.2025 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 10.9475, "vocs_ppb": 22.719166666666663 } }, "official_outdoor": { "hourKey": "2026-04-09T20", "pm10_ugm3": 9.8, "pm1_ugm3": 1.4, "pm25_ugm3": 2.7, "no2_ugm3": 19.68773, "no_ugm3": 2.08708, "noxasno2_ugm3": 22.88787 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-09T20", "pm10_ugm3": 9.8, "pm1_ugm3": 1.4, "pm25_ugm3": 2.7, "no2_ugm3": 19.68773, "no_ugm3": 2.08708, "noxasno2_ugm3": 22.88787 }, "STN4": { "hourKey": "2026-04-09T20", "pm10_ugm3": 6.5, "pm1_ugm3": 1.4, "pm25_ugm3": 2.3, "no2_ugm3": 1.9015, "no_ugm3": 0.24665, "noxasno2_ugm3": 2.2797 }, "STN5": { "hourKey": "2026-04-09T20", "pm10_ugm3": 5.7, "pm1_ugm3": null, "pm25_ugm3": 2, "no2_ugm3": 3.34305, "no_ugm3": 0.15498, "noxasno2_ugm3": 3.58068 } }, "fusion": { "official_sites_alignment": "partial", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-09T21", "hourStartLocal": "2026-04-09T21:00:00+01:00", "avg_co2_ppm": 762.5, "avg_tvoc_ppb": 41, "avg_pm25_ugm3": 4.5, "avg_temp_c": 21.4, "avg_humidity_pct": 41.650000000000006, "avg_pressure_hpa": 1009.15, "avg_no2_ppb": 31.194999999999997, "avg_o3_ppb": null, "avg_vocs_ppb": 25.986250000000002, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 852, "tvoc_ppb": 35, "pm25_ugm3": 3, "temp_c": 21.1, "humidity_pct": 45.1, "pressure_hpa": 1010, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 1, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 673, "tvoc_ppb": 47, "pm25_ugm3": 6, "temp_c": 21.7, "humidity_pct": 38.2, "pressure_hpa": 1008.3, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 1, "norovirus_index": 3, "influenza_index": 3, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 32.66916666666666, "vocs_ppb": 28.75166666666667 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 29.72083333333333, "vocs_ppb": 23.220833333333335 } }, "official_outdoor": { "hourKey": "2026-04-09T21", "pm10_ugm3": 6.3, "pm1_ugm3": 1.4, "pm25_ugm3": 2.3, "no2_ugm3": 38.93461, "no_ugm3": 3.09367, "noxasno2_ugm3": 43.67817 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-09T21", "pm10_ugm3": 6.3, "pm1_ugm3": 1.4, "pm25_ugm3": 2.3, "no2_ugm3": 38.93461, "no_ugm3": 3.09367, "noxasno2_ugm3": 43.67817 }, "STN4": { "hourKey": "2026-04-09T21", "pm10_ugm3": 4.5, "pm1_ugm3": 1.4, "pm25_ugm3": 2.1, "no2_ugm3": 2.7344, "no_ugm3": 0.20861, "noxasno2_ugm3": 3.05426 }, "STN5": { "hourKey": "2026-04-09T21", "pm10_ugm3": 4.7, "pm1_ugm3": null, "pm25_ugm3": 1.8, "no2_ugm3": 8.25387, "no_ugm3": 0.19364, "noxasno2_ugm3": 8.55079 } }, "fusion": { "official_sites_alignment": "partial", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-09T22", "hourStartLocal": "2026-04-09T22:00:00+01:00", "avg_co2_ppm": 578, "avg_tvoc_ppb": 13.5, "avg_pm25_ugm3": 3.5, "avg_temp_c": 21.65, "avg_humidity_pct": 38.75, "avg_pressure_hpa": 1009, "avg_no2_ppb": 27.84375, "avg_o3_ppb": null, "avg_vocs_ppb": 23.555000000000003, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 643, "tvoc_ppb": 7, "pm25_ugm3": 3, "temp_c": 20.8, "humidity_pct": 41.4, "pressure_hpa": 1009.9, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 1, "norovirus_index": 3, "influenza_index": 2, "vape_index": 1, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 513, "tvoc_ppb": 20, "pm25_ugm3": 4, "temp_c": 22.5, "humidity_pct": 36.1, "pressure_hpa": 1008.1, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 1, "norovirus_index": 3, "influenza_index": 3, "vape_index": 1, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 32.530833333333334, "vocs_ppb": 26.02666666666667 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 23.156666666666666, "vocs_ppb": 21.083333333333336 } }, "official_outdoor": { "hourKey": "2026-04-09T22", "pm10_ugm3": 6, "pm1_ugm3": 1.5, "pm25_ugm3": 2.3, "no2_ugm3": 35.53292, "no_ugm3": 1.2608, "noxasno2_ugm3": 37.46613 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-09T22", "pm10_ugm3": 6, "pm1_ugm3": 1.5, "pm25_ugm3": 2.3, "no2_ugm3": 35.53292, "no_ugm3": 1.2608, "noxasno2_ugm3": 37.46613 }, "STN4": { "hourKey": "2026-04-09T22", "pm10_ugm3": 5, "pm1_ugm3": 1.4, "pm25_ugm3": 2.2, "no2_ugm3": 3.69925, "no_ugm3": 0.21422, "noxasno2_ugm3": 4.02773 }, "STN5": { "hourKey": "2026-04-09T22", "pm10_ugm3": 4.7, "pm1_ugm3": null, "pm25_ugm3": 2.1, "no2_ugm3": 6.03681, "no_ugm3": 0.11007, "noxasno2_ugm3": 6.20558 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-09T23", "hourStartLocal": "2026-04-09T23:00:00+01:00", "avg_co2_ppm": 523.5, "avg_tvoc_ppb": 9, "avg_pm25_ugm3": 4, "avg_temp_c": 21.15, "avg_humidity_pct": 38.7, "avg_pressure_hpa": 1010.1, "avg_no2_ppb": 14.129999999999999, "avg_o3_ppb": null, "avg_vocs_ppb": 20.52916666666667, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 570, "tvoc_ppb": 1, "pm25_ugm3": 3, "temp_c": 20.2, "humidity_pct": 41.2, "pressure_hpa": 1011, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 1, "norovirus_index": 2, "influenza_index": 2, "vape_index": 1, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 477, "tvoc_ppb": 17, "pm25_ugm3": 5, "temp_c": 22.1, "humidity_pct": 36.2, "pressure_hpa": 1009.2, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 1, "norovirus_index": 3, "influenza_index": 3, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 20.674999999999997, "vocs_ppb": 23.75166666666667 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 7.585, "vocs_ppb": 17.30666666666667 } }, "official_outdoor": { "hourKey": "2026-04-09T23", "pm10_ugm3": 6, "pm1_ugm3": 2, "pm25_ugm3": 3, "no2_ugm3": 25.93359, "no_ugm3": 0.99325, "noxasno2_ugm3": 27.45654 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-09T23", "pm10_ugm3": 6, "pm1_ugm3": 2, "pm25_ugm3": 3, "no2_ugm3": 25.93359, "no_ugm3": 0.99325, "noxasno2_ugm3": 27.45654 }, "STN4": { "hourKey": "2026-04-09T23", "pm10_ugm3": 5.4, "pm1_ugm3": 1.9, "pm25_ugm3": 2.8, "no2_ugm3": 3.32393, "no_ugm3": 0.1687, "noxasno2_ugm3": 3.58259 }, "STN5": { "hourKey": "2026-04-09T23", "pm10_ugm3": 5.4, "pm1_ugm3": null, "pm25_ugm3": 2.8, "no2_ugm3": 3.49318, "no_ugm3": 0.11039, "noxasno2_ugm3": 3.66244 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-10T00", "hourStartLocal": "2026-04-10T00:00:00+01:00", "avg_co2_ppm": 511.5, "avg_tvoc_ppb": 6.5, "avg_pm25_ugm3": 5, "avg_temp_c": 20.75, "avg_humidity_pct": 37.95, "avg_pressure_hpa": 1011, "avg_no2_ppb": 9.275, "avg_o3_ppb": null, "avg_vocs_ppb": 18.226666666666667, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 548, "tvoc_ppb": 1, "pm25_ugm3": 4, "temp_c": 19.6, "humidity_pct": 40, "pressure_hpa": 1011.9, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 1, "norovirus_index": 2, "influenza_index": 2, "vape_index": 1, "pollen_index": 2, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 475, "tvoc_ppb": 12, "pm25_ugm3": 6, "temp_c": 21.9, "humidity_pct": 35.9, "pressure_hpa": 1010.1, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 1, "norovirus_index": 3, "influenza_index": 3, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 14.2275, "vocs_ppb": 21.886666666666667 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 4.322500000000001, "vocs_ppb": 14.566666666666668 } }, "official_outdoor": { "hourKey": "2026-04-10T00", "pm10_ugm3": 7.8, "pm1_ugm3": 2.5, "pm25_ugm3": 3.9, "no2_ugm3": 11.82631, "no_ugm3": 0.26516, "noxasno2_ugm3": 12.23289 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-10T00", "pm10_ugm3": 7.8, "pm1_ugm3": 2.5, "pm25_ugm3": 3.9, "no2_ugm3": 11.82631, "no_ugm3": 0.26516, "noxasno2_ugm3": 12.23289 }, "STN4": { "hourKey": "2026-04-10T00", "pm10_ugm3": 6, "pm1_ugm3": 2.4, "pm25_ugm3": 3.6, "no2_ugm3": 2.81233, "no_ugm3": 0.16028, "noxasno2_ugm3": 3.05809 }, "STN5": { "hourKey": "2026-04-10T00", "pm10_ugm3": 6.6, "pm1_ugm3": null, "pm25_ugm3": 3.6, "no2_ugm3": 4.09418, "no_ugm3": 0.11319, "noxasno2_ugm3": 4.26774 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-10T01", "hourStartLocal": "2026-04-10T01:00:00+01:00", "avg_co2_ppm": 497, "avg_tvoc_ppb": 6.5, "avg_pm25_ugm3": 4.5, "avg_temp_c": 20.4, "avg_humidity_pct": 37.7, "avg_pressure_hpa": 1011.55, "avg_no2_ppb": 5.58375, "avg_o3_ppb": null, "avg_vocs_ppb": 15.30625, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 527, "tvoc_ppb": 1, "pm25_ugm3": 4, "temp_c": 19.2, "humidity_pct": 39.8, "pressure_hpa": 1012.4, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 1, "norovirus_index": 3, "influenza_index": 3, "vape_index": 1, "pollen_index": 2, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 467, "tvoc_ppb": 12, "pm25_ugm3": 5, "temp_c": 21.6, "humidity_pct": 35.6, "pressure_hpa": 1010.7, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 1, "norovirus_index": 3, "influenza_index": 3, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 9.783333333333333, "vocs_ppb": 18.395 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 1.3841666666666665, "vocs_ppb": 12.217500000000001 } }, "official_outdoor": { "hourKey": "2026-04-10T01", "pm10_ugm3": 7.7, "pm1_ugm3": 2.7, "pm25_ugm3": 4.2, "no2_ugm3": 9.58532, "no_ugm3": 0.20563, "noxasno2_ugm3": 9.90062 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-10T01", "pm10_ugm3": 7.7, "pm1_ugm3": 2.7, "pm25_ugm3": 4.2, "no2_ugm3": 9.58532, "no_ugm3": 0.20563, "noxasno2_ugm3": 9.90062 }, "STN4": { "hourKey": "2026-04-10T01", "pm10_ugm3": 7.2, "pm1_ugm3": 2.7, "pm25_ugm3": 4.2, "no2_ugm3": 2.60817, "no_ugm3": 0.12192, "noxasno2_ugm3": 2.79512 }, "STN5": { "hourKey": "2026-04-10T01", "pm10_ugm3": 7.3, "pm1_ugm3": null, "pm25_ugm3": 4, "no2_ugm3": 4.14582, "no_ugm3": 0.10477, "noxasno2_ugm3": 4.30647 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-10T02", "hourStartLocal": "2026-04-10T02:00:00+01:00", "avg_co2_ppm": 473.5, "avg_tvoc_ppb": 5.5, "avg_pm25_ugm3": 4.5, "avg_temp_c": 20.2, "avg_humidity_pct": 37.400000000000006, "avg_pressure_hpa": 1012.05, "avg_no2_ppb": 4.579166666666667, "avg_o3_ppb": null, "avg_vocs_ppb": 26.446666666666665, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 502, "tvoc_ppb": 8, "pm25_ugm3": 3, "temp_c": 19, "humidity_pct": 39.7, "pressure_hpa": 1012.9, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 1, "norovirus_index": 3, "influenza_index": 3, "vape_index": 1, "pollen_index": 2, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 445, "tvoc_ppb": 3, "pm25_ugm3": 6, "temp_c": 21.4, "humidity_pct": 35.1, "pressure_hpa": 1011.2, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 1, "norovirus_index": 3, "influenza_index": 3, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 8.295, "vocs_ppb": 40.861666666666665 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 0.8633333333333333, "vocs_ppb": 12.031666666666668 } }, "official_outdoor": { "hourKey": "2026-04-10T02", "pm10_ugm3": 9.5, "pm1_ugm3": 2.9, "pm25_ugm3": 4.8, "no2_ugm3": 10.46865, "no_ugm3": 0.16868, "noxasno2_ugm3": 10.72728 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-10T02", "pm10_ugm3": 9.5, "pm1_ugm3": 2.9, "pm25_ugm3": 4.8, "no2_ugm3": 10.46865, "no_ugm3": 0.16868, "noxasno2_ugm3": 10.72728 }, "STN4": { "hourKey": "2026-04-10T02", "pm10_ugm3": 8.7, "pm1_ugm3": 2.9, "pm25_ugm3": 4.7, "no2_ugm3": 2.36003, "no_ugm3": 0.12723, "noxasno2_ugm3": 2.5551 }, "STN5": { "hourKey": "2026-04-10T02", "pm10_ugm3": 8.2, "pm1_ugm3": null, "pm25_ugm3": 4.5, "no2_ugm3": 2.31652, "no_ugm3": 0.10384, "noxasno2_ugm3": 2.47573 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-10T03", "hourStartLocal": "2026-04-10T03:00:00+01:00", "avg_co2_ppm": 473, "avg_tvoc_ppb": 22.5, "avg_pm25_ugm3": 4, "avg_temp_c": 20.15, "avg_humidity_pct": 37.650000000000006, "avg_pressure_hpa": 1012.2, "avg_no2_ppb": 4.937083333333333, "avg_o3_ppb": null, "avg_vocs_ppb": 16.46625, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 505, "tvoc_ppb": 32, "pm25_ugm3": 3, "temp_c": 19.1, "humidity_pct": 40.2, "pressure_hpa": 1013.1, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 1, "norovirus_index": 2, "influenza_index": 2, "vape_index": 1, "pollen_index": 2, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 441, "tvoc_ppb": 13, "pm25_ugm3": 5, "temp_c": 21.2, "humidity_pct": 35.1, "pressure_hpa": 1011.3, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 1, "norovirus_index": 3, "influenza_index": 3, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 7.480833333333332, "vocs_ppb": 20.49083333333333 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 2.393333333333333, "vocs_ppb": 12.441666666666665 } }, "official_outdoor": { "hourKey": "2026-04-10T03", "pm10_ugm3": 10.6, "pm1_ugm3": 3.1, "pm25_ugm3": 5.2, "no2_ugm3": 9.2514, "no_ugm3": 0.06603, "noxasno2_ugm3": 9.35265 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-10T03", "pm10_ugm3": 10.6, "pm1_ugm3": 3.1, "pm25_ugm3": 5.2, "no2_ugm3": 9.2514, "no_ugm3": 0.06603, "noxasno2_ugm3": 9.35265 }, "STN4": { "hourKey": "2026-04-10T03", "pm10_ugm3": 9.8, "pm1_ugm3": 2.9, "pm25_ugm3": 5, "no2_ugm3": 1.86469, "no_ugm3": 0.13034, "noxasno2_ugm3": 2.06454 }, "STN5": { "hourKey": "2026-04-10T03", "pm10_ugm3": 9.3, "pm1_ugm3": null, "pm25_ugm3": 4.9, "no2_ugm3": 1.95792, "no_ugm3": 0.10415, "noxasno2_ugm3": 2.11762 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-10T04", "hourStartLocal": "2026-04-10T04:00:00+01:00", "avg_co2_ppm": 496.5, "avg_tvoc_ppb": 45.5, "avg_pm25_ugm3": 3.5, "avg_temp_c": 20.4, "avg_humidity_pct": 38.1, "avg_pressure_hpa": 1011.45, "avg_no2_ppb": 14.55875, "avg_o3_ppb": null, "avg_vocs_ppb": 16.015416666666667, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 518, "tvoc_ppb": 48, "pm25_ugm3": 2, "temp_c": 19.4, "humidity_pct": 40.6, "pressure_hpa": 1012.3, "no2_ppb": null, "o3_ppb": null, "virus_index": 2, "mold_index": 1, "norovirus_index": 2, "influenza_index": 2, "vape_index": 1, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 475, "tvoc_ppb": 43, "pm25_ugm3": 5, "temp_c": 21.4, "humidity_pct": 35.6, "pressure_hpa": 1010.6, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 1, "norovirus_index": 3, "influenza_index": 3, "vape_index": 2, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 16.439166666666665, "vocs_ppb": 19.075 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 12.678333333333335, "vocs_ppb": 12.955833333333333 } }, "official_outdoor": { "hourKey": "2026-04-10T04", "pm10_ugm3": 10.3, "pm1_ugm3": 3.5, "pm25_ugm3": 5.6, "no2_ugm3": 9.40969, "no_ugm3": 0.51117, "noxasno2_ugm3": 10.19346 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-10T04", "pm10_ugm3": 10.3, "pm1_ugm3": 3.5, "pm25_ugm3": 5.6, "no2_ugm3": 9.40969, "no_ugm3": 0.51117, "noxasno2_ugm3": 10.19346 }, "STN4": { "hourKey": "2026-04-10T04", "pm10_ugm3": 9.2, "pm1_ugm3": 3, "pm25_ugm3": 5.1, "no2_ugm3": 1.83457, "no_ugm3": 0.13502, "noxasno2_ugm3": 2.04159 }, "STN5": { "hourKey": "2026-04-10T04", "pm10_ugm3": 8.7, "pm1_ugm3": null, "pm25_ugm3": 4.8, "no2_ugm3": 2.54315, "no_ugm3": 0.11132, "noxasno2_ugm3": 2.71384 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-10T05", "hourStartLocal": "2026-04-10T05:00:00+01:00", "avg_co2_ppm": 896.5, "avg_tvoc_ppb": 267, "avg_pm25_ugm3": 5, "avg_temp_c": 20.75, "avg_humidity_pct": 41.8, "avg_pressure_hpa": 1010.25, "avg_no2_ppb": 15.368333333333336, "avg_o3_ppb": null, "avg_vocs_ppb": 15.320833333333333, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 828, "tvoc_ppb": 171, "pm25_ugm3": 4, "temp_c": 19.7, "humidity_pct": 43.7, "pressure_hpa": 1011.1, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 965, "tvoc_ppb": 363, "pm25_ugm3": 6, "temp_c": 21.8, "humidity_pct": 39.9, "pressure_hpa": 1009.4, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 1, "norovirus_index": 4, "influenza_index": 4, "vape_index": 4, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 16.745, "vocs_ppb": 17.256666666666668 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 13.991666666666669, "vocs_ppb": 13.384999999999998 } }, "official_outdoor": { "hourKey": "2026-04-10T05", "pm10_ugm3": 11.7, "pm1_ugm3": 3.5, "pm25_ugm3": 5.7, "no2_ugm3": 16.64687, "no_ugm3": 1.50886, "noxasno2_ugm3": 18.96042 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-10T05", "pm10_ugm3": 11.7, "pm1_ugm3": 3.5, "pm25_ugm3": 5.7, "no2_ugm3": 16.64687, "no_ugm3": 1.50886, "noxasno2_ugm3": 18.96042 }, "STN4": { "hourKey": "2026-04-10T05", "pm10_ugm3": 8.7, "pm1_ugm3": 3, "pm25_ugm3": 5.1, "no2_ugm3": 2.58379, "no_ugm3": 0.14469, "noxasno2_ugm3": 2.80564 }, "STN5": { "hourKey": "2026-04-10T05", "pm10_ugm3": 9.3, "pm1_ugm3": null, "pm25_ugm3": 5, "no2_ugm3": 5.00406, "no_ugm3": 0.15622, "noxasno2_ugm3": 5.2436 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-10T06", "hourStartLocal": "2026-04-10T06:00:00+01:00", "avg_co2_ppm": 1010, "avg_tvoc_ppb": 332.5, "avg_pm25_ugm3": 5, "avg_temp_c": 20.8, "avg_humidity_pct": 42.85, "avg_pressure_hpa": 1010.15, "avg_no2_ppb": 34.81666666666666, "avg_o3_ppb": null, "avg_vocs_ppb": 18.261666666666667, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 1090, "tvoc_ppb": 296, "pm25_ugm3": 4, "temp_c": 20, "humidity_pct": 45.6, "pressure_hpa": 1011, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 3, "influenza_index": 3, "vape_index": 3, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 930, "tvoc_ppb": 369, "pm25_ugm3": 6, "temp_c": 21.6, "humidity_pct": 40.1, "pressure_hpa": 1009.3, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 1, "norovirus_index": 3, "influenza_index": 4, "vape_index": 4, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 37.041666666666664, "vocs_ppb": 19.529166666666665 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 32.59166666666666, "vocs_ppb": 16.99416666666667 } }, "official_outdoor": { "hourKey": "2026-04-10T06", "pm10_ugm3": 13.7, "pm1_ugm3": 3.5, "pm25_ugm3": 6, "no2_ugm3": 44.50101, "no_ugm3": 3.20624, "noxasno2_ugm3": 49.41717 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-10T06", "pm10_ugm3": 13.7, "pm1_ugm3": 3.5, "pm25_ugm3": 6, "no2_ugm3": 44.50101, "no_ugm3": 3.20624, "noxasno2_ugm3": 49.41717 }, "STN4": { "hourKey": "2026-04-10T06", "pm10_ugm3": 9.9, "pm1_ugm3": 3.1, "pm25_ugm3": 5.3, "no2_ugm3": 3.45302, "no_ugm3": 0.1715, "noxasno2_ugm3": 3.71599 }, "STN5": { "hourKey": "2026-04-10T06", "pm10_ugm3": 9.6, "pm1_ugm3": null, "pm25_ugm3": 5.1, "no2_ugm3": 11.41284, "no_ugm3": 0.28345, "noxasno2_ugm3": 11.84746 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-10T07", "hourStartLocal": "2026-04-10T07:00:00+01:00", "avg_co2_ppm": 1146, "avg_tvoc_ppb": 391, "avg_pm25_ugm3": 6, "avg_temp_c": 20.950000000000003, "avg_humidity_pct": 44.2, "avg_pressure_hpa": 1010.35, "avg_no2_ppb": 37.00791666666667, "avg_o3_ppb": null, "avg_vocs_ppb": 18.34708333333333, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 1153, "tvoc_ppb": 341, "pm25_ugm3": 5, "temp_c": 20.1, "humidity_pct": 46.1, "pressure_hpa": 1011.2, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 4, "influenza_index": 3, "vape_index": 4, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 1139, "tvoc_ppb": 441, "pm25_ugm3": 7, "temp_c": 21.8, "humidity_pct": 42.3, "pressure_hpa": 1009.5, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 2, "norovirus_index": 4, "influenza_index": 4, "vape_index": 4, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 44.1325, "vocs_ppb": 20.420833333333334 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 29.883333333333336, "vocs_ppb": 16.27333333333333 } }, "official_outdoor": { "hourKey": "2026-04-10T07", "pm10_ugm3": 16.3, "pm1_ugm3": 3.8, "pm25_ugm3": 6.6, "no2_ugm3": 41.37312, "no_ugm3": 5.55095, "noxasno2_ugm3": 49.88446 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-10T07", "pm10_ugm3": 16.3, "pm1_ugm3": 3.8, "pm25_ugm3": 6.6, "no2_ugm3": 41.37312, "no_ugm3": 5.55095, "noxasno2_ugm3": 49.88446 }, "STN4": { "hourKey": "2026-04-10T07", "pm10_ugm3": 12.2, "pm1_ugm3": 3.4, "pm25_ugm3": 5.8, "no2_ugm3": 3.69591, "no_ugm3": 0.2822, "noxasno2_ugm3": 4.12861 }, "STN5": { "hourKey": "2026-04-10T07", "pm10_ugm3": 10, "pm1_ugm3": null, "pm25_ugm3": 5.3, "no2_ugm3": 13.43866, "no_ugm3": 0.73591, "noxasno2_ugm3": 14.56703 } }, "fusion": { "official_sites_alignment": "partial", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-10T08", "hourStartLocal": "2026-04-10T08:00:00+01:00", "avg_co2_ppm": 1100, "avg_tvoc_ppb": 316.5, "avg_pm25_ugm3": 5.5, "avg_temp_c": 21.1, "avg_humidity_pct": 43.5, "avg_pressure_hpa": 1010.25, "avg_no2_ppb": 39.22083333333334, "avg_o3_ppb": null, "avg_vocs_ppb": 19.986666666666668, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 1142, "tvoc_ppb": 274, "pm25_ugm3": 5, "temp_c": 20.2, "humidity_pct": 45.9, "pressure_hpa": 1011.1, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 2, "norovirus_index": 4, "influenza_index": 3, "vape_index": 4, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 1058, "tvoc_ppb": 359, "pm25_ugm3": 6, "temp_c": 22, "humidity_pct": 41.1, "pressure_hpa": 1009.4, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 2, "norovirus_index": 4, "influenza_index": 4, "vape_index": 4, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 53.874166666666675, "vocs_ppb": 21.636666666666667 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 24.567500000000006, "vocs_ppb": 18.33666666666667 } }, "official_outdoor": { "hourKey": "2026-04-10T08", "pm10_ugm3": 28.2, "pm1_ugm3": 4, "pm25_ugm3": 8.5, "no2_ugm3": 22.86089, "no_ugm3": 3.97675, "noxasno2_ugm3": 28.95848 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-10T08", "pm10_ugm3": 28.2, "pm1_ugm3": 4, "pm25_ugm3": 8.5, "no2_ugm3": 22.86089, "no_ugm3": 3.97675, "noxasno2_ugm3": 28.95848 }, "STN4": { "hourKey": "2026-04-10T08", "pm10_ugm3": 14, "pm1_ugm3": 3.6, "pm25_ugm3": 6.4, "no2_ugm3": 3.31293, "no_ugm3": 0.47335, "noxasno2_ugm3": 4.03872 }, "STN5": { "hourKey": "2026-04-10T08", "pm10_ugm3": 12.8, "pm1_ugm3": null, "pm25_ugm3": 6, "no2_ugm3": 9.22829, "no_ugm3": 1.10168, "noxasno2_ugm3": 10.91751 } }, "fusion": { "official_sites_alignment": "partial", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "perimeter_higher" } }, { "hourKey": "2026-04-10T09", "hourStartLocal": "2026-04-10T09:00:00+01:00", "avg_co2_ppm": 793, "avg_tvoc_ppb": 136, "avg_pm25_ugm3": 5, "avg_temp_c": 21.200000000000003, "avg_humidity_pct": 39.65, "avg_pressure_hpa": 1010.65, "avg_no2_ppb": 30.660416666666666, "avg_o3_ppb": null, "avg_vocs_ppb": 19.66375, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 812, "tvoc_ppb": 122, "pm25_ugm3": 4, "temp_c": 20.3, "humidity_pct": 41.8, "pressure_hpa": 1011.5, "no2_ppb": null, "o3_ppb": null, "virus_index": 3, "mold_index": 1, "norovirus_index": 3, "influenza_index": 3, "vape_index": 2, "pollen_index": 1, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 774, "tvoc_ppb": 150, "pm25_ugm3": 6, "temp_c": 22.1, "humidity_pct": 37.5, "pressure_hpa": 1009.8, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 1, "norovirus_index": 4, "influenza_index": 4, "vape_index": 3, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 19.171666666666667, "vocs_ppb": 19.654166666666665 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 42.149166666666666, "vocs_ppb": 19.673333333333336 } }, "official_outdoor": { "hourKey": "2026-04-10T09", "pm10_ugm3": 14.8, "pm1_ugm3": 3.9, "pm25_ugm3": 6.7, "no2_ugm3": 12.69449, "no_ugm3": 2.3738, "noxasno2_ugm3": 16.33426 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-10T09", "pm10_ugm3": 14.8, "pm1_ugm3": 3.9, "pm25_ugm3": 6.7, "no2_ugm3": 12.69449, "no_ugm3": 2.3738, "noxasno2_ugm3": 16.33426 }, "STN4": { "hourKey": "2026-04-10T09", "pm10_ugm3": 12.7, "pm1_ugm3": 4, "pm25_ugm3": 6.6, "no2_ugm3": 2.06885, "no_ugm3": 0.44186, "noxasno2_ugm3": 2.74635 }, "STN5": { "hourKey": "2026-04-10T09", "pm10_ugm3": 11.7, "pm1_ugm3": null, "pm25_ugm3": 5.9, "no2_ugm3": 3.88907, "no_ugm3": 0.81636, "noxasno2_ugm3": 5.1408 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-10T10", "hourStartLocal": "2026-04-10T10:00:00+01:00", "avg_co2_ppm": 945.5, "avg_tvoc_ppb": 168.5, "avg_pm25_ugm3": 6, "avg_temp_c": 21.55, "avg_humidity_pct": 40.25, "avg_pressure_hpa": 1010.75, "avg_no2_ppb": 16.24388888888889, "avg_o3_ppb": null, "avg_vocs_ppb": 23.943333333333335, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 942, "tvoc_ppb": 141, "pm25_ugm3": 5, "temp_c": 20.6, "humidity_pct": 42.2, "pressure_hpa": 1011.6, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 2, "norovirus_index": 4, "influenza_index": 4, "vape_index": 3, "pollen_index": 2, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 949, "tvoc_ppb": 196, "pm25_ugm3": 7, "temp_c": 22.5, "humidity_pct": 38.3, "pressure_hpa": 1009.9, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 1, "norovirus_index": 4, "influenza_index": 4, "vape_index": 3, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 5": { "samples": 9, "no2_ppb": 15.922222222222224, "vocs_ppb": 24.646666666666665 }, "K-A3 RENT 21": { "samples": 9, "no2_ppb": 16.56555555555555, "vocs_ppb": 23.240000000000002 } }, "official_outdoor": { "hourKey": "2026-04-10T10", "pm10_ugm3": 13.5, "pm1_ugm3": 3.9, "pm25_ugm3": 6.4, "no2_ugm3": 7.60067, "no_ugm3": 2.24173, "noxasno2_ugm3": 11.03794 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-10T10", "pm10_ugm3": 13.5, "pm1_ugm3": 3.9, "pm25_ugm3": 6.4, "no2_ugm3": 7.60067, "no_ugm3": 2.24173, "noxasno2_ugm3": 11.03794 }, "STN4": { "hourKey": "2026-04-10T10", "pm10_ugm3": 12.5, "pm1_ugm3": 3.8, "pm25_ugm3": 6.4, "no2_ugm3": 2.19651, "no_ugm3": 0.65483, "noxasno2_ugm3": 3.20057 }, "STN5": { "hourKey": "2026-04-10T10", "pm10_ugm3": 14.1, "pm1_ugm3": null, "pm25_ugm3": 6.2, "no2_ugm3": 3.16567, "no_ugm3": 0.89743, "noxasno2_ugm3": 4.54171 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-10T11", "hourStartLocal": "2026-04-10T11:00:00+01:00", "avg_co2_ppm": 1058.5, "avg_tvoc_ppb": 195.5, "avg_pm25_ugm3": 7, "avg_temp_c": 21.9, "avg_humidity_pct": 40.349999999999994, "avg_pressure_hpa": 1010.65, "avg_no2_ppb": 0.5254166666666666, "avg_o3_ppb": null, "avg_vocs_ppb": 80.95833333333334, "sensor_count_reporting": 4, "sensor_disagreement_flag": true, "sensor_integrity_state": "caution", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 956, "tvoc_ppb": 125, "pm25_ugm3": 5, "temp_c": 21, "humidity_pct": 40.9, "pressure_hpa": 1011.5, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 1, "norovirus_index": 4, "influenza_index": 4, "vape_index": 3, "pollen_index": 2, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 1161, "tvoc_ppb": 266, "pm25_ugm3": 9, "temp_c": 22.8, "humidity_pct": 39.8, "pressure_hpa": 1009.8, "no2_ppb": null, "o3_ppb": null, "virus_index": 5, "mold_index": 2, "norovirus_index": 4, "influenza_index": 5, "vape_index": 4, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 0, "vocs_ppb": 90.85583333333335 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 1.0508333333333333, "vocs_ppb": 71.06083333333333 } }, "official_outdoor": { "hourKey": "2026-04-10T11", "pm10_ugm3": 13.3, "pm1_ugm3": 3.9, "pm25_ugm3": 6.3, "no2_ugm3": 6.52028, "no_ugm3": 1.11437, "noxasno2_ugm3": 8.22895 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-10T11", "pm10_ugm3": 13.3, "pm1_ugm3": 3.9, "pm25_ugm3": 6.3, "no2_ugm3": 6.52028, "no_ugm3": 1.11437, "noxasno2_ugm3": 8.22895 }, "STN4": { "hourKey": "2026-04-10T11", "pm10_ugm3": 12, "pm1_ugm3": 3.8, "pm25_ugm3": 6.3, "no2_ugm3": 4.62443, "no_ugm3": 2.18558, "noxasno2_ugm3": 7.9756 }, "STN5": { "hourKey": "2026-04-10T11", "pm10_ugm3": 12.4, "pm1_ugm3": null, "pm25_ugm3": 6.1, "no2_ugm3": 2.99689, "no_ugm3": 0.80295, "noxasno2_ugm3": 4.22806 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-10T12", "hourStartLocal": "2026-04-10T12:00:00+01:00", "avg_co2_ppm": 918.5, "avg_tvoc_ppb": 150, "avg_pm25_ugm3": 7, "avg_temp_c": 21.95, "avg_humidity_pct": 38.400000000000006, "avg_pressure_hpa": 1009.95, "avg_no2_ppb": 0, "avg_o3_ppb": null, "avg_vocs_ppb": 84.80904761904762, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 922, "tvoc_ppb": 124, "pm25_ugm3": 7, "temp_c": 21.2, "humidity_pct": 39.7, "pressure_hpa": 1010.8, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 1, "norovirus_index": 4, "influenza_index": 4, "vape_index": 3, "pollen_index": 2, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 915, "tvoc_ppb": 176, "pm25_ugm3": 7, "temp_c": 22.7, "humidity_pct": 37.1, "pressure_hpa": 1009.1, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 1, "norovirus_index": 4, "influenza_index": 4, "vape_index": 3, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 0, "vocs_ppb": 96.99666666666667 }, "K-A3 RENT 5": { "samples": 7, "no2_ppb": 0, "vocs_ppb": 72.62142857142857 } }, "official_outdoor": { "hourKey": "2026-04-10T12", "pm10_ugm3": 14.3, "pm1_ugm3": 4.2, "pm25_ugm3": 6.6, "no2_ugm3": 7.91746, "no_ugm3": 1.34531, "noxasno2_ugm3": 9.98025 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-10T12", "pm10_ugm3": 14.3, "pm1_ugm3": 4.2, "pm25_ugm3": 6.6, "no2_ugm3": 7.91746, "no_ugm3": 1.34531, "noxasno2_ugm3": 9.98025 }, "STN4": { "hourKey": "2026-04-10T12", "pm10_ugm3": 12.7, "pm1_ugm3": 4.3, "pm25_ugm3": 6.6, "no2_ugm3": 6.01864, "no_ugm3": 1.57378, "noxasno2_ugm3": 8.43173 }, "STN5": { "hourKey": "2026-04-10T12", "pm10_ugm3": 14.1, "pm1_ugm3": null, "pm25_ugm3": 6.4, "no2_ugm3": 5.40473, "no_ugm3": 1.27786, "noxasno2_ugm3": 7.36408 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-10T13", "hourStartLocal": "2026-04-10T13:00:00+01:00", "avg_co2_ppm": 949, "avg_tvoc_ppb": 140, "avg_pm25_ugm3": 6.5, "avg_temp_c": 21.95, "avg_humidity_pct": 38.05, "avg_pressure_hpa": 1009.05, "avg_no2_ppb": 2.5629166666666667, "avg_o3_ppb": null, "avg_vocs_ppb": 74.31791666666666, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 926, "tvoc_ppb": 109, "pm25_ugm3": 6, "temp_c": 21.2, "humidity_pct": 38.7, "pressure_hpa": 1009.9, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 1, "norovirus_index": 4, "influenza_index": 4, "vape_index": 3, "pollen_index": 2, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 972, "tvoc_ppb": 171, "pm25_ugm3": 7, "temp_c": 22.7, "humidity_pct": 37.4, "pressure_hpa": 1008.2, "no2_ppb": null, "o3_ppb": null, "virus_index": 5, "mold_index": 1, "norovirus_index": 4, "influenza_index": 4, "vape_index": 3, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 5.1258333333333335, "vocs_ppb": 93.29083333333334 }, "K-A3 RENT 5": { "samples": 2, "no2_ppb": 0, "vocs_ppb": 55.345 } }, "official_outdoor": { "hourKey": "2026-04-10T13", "pm10_ugm3": 15.7, "pm1_ugm3": 4.8, "pm25_ugm3": 7.5, "no2_ugm3": 12.55079, "no_ugm3": 2.2041, "noxasno2_ugm3": 15.93036 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-10T13", "pm10_ugm3": 15.7, "pm1_ugm3": 4.8, "pm25_ugm3": 7.5, "no2_ugm3": 12.55079, "no_ugm3": 2.2041, "noxasno2_ugm3": 15.93036 }, "STN4": { "hourKey": "2026-04-10T13", "pm10_ugm3": 14.4, "pm1_ugm3": 4.7, "pm25_ugm3": 7.3, "no2_ugm3": 9.62227, "no_ugm3": 2.99602, "noxasno2_ugm3": 14.21609 }, "STN5": { "hourKey": "2026-04-10T13", "pm10_ugm3": 24.2, "pm1_ugm3": null, "pm25_ugm3": 8, "no2_ugm3": 11.30766, "no_ugm3": 3.30722, "noxasno2_ugm3": 16.37865 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-10T14", "hourStartLocal": "2026-04-10T14:00:00+01:00", "avg_co2_ppm": 901.5, "avg_tvoc_ppb": 128.5, "avg_pm25_ugm3": 6, "avg_temp_c": 22.35, "avg_humidity_pct": 36.55, "avg_pressure_hpa": 1008.05, "avg_no2_ppb": 11.05875, "avg_o3_ppb": null, "avg_vocs_ppb": 38.74291666666667, "sensor_count_reporting": 4, "sensor_disagreement_flag": false, "sensor_integrity_state": "healthy", "interpretation_label": "mixed_uncertain", "interpretation_reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour.", "indoor_by_device": { "Stansted Airport IAQ 1": { "samples": 1, "co2_ppm": 864, "tvoc_ppb": 105, "pm25_ugm3": 5, "temp_c": 21.8, "humidity_pct": 37.3, "pressure_hpa": 1008.9, "no2_ppb": null, "o3_ppb": null, "virus_index": 4, "mold_index": 1, "norovirus_index": 4, "influenza_index": 4, "vape_index": 3, "pollen_index": 2, "co_ppm": 0 }, "Stansted Airport IAQ 2": { "samples": 1, "co2_ppm": 939, "tvoc_ppb": 152, "pm25_ugm3": 7, "temp_c": 22.9, "humidity_pct": 35.8, "pressure_hpa": 1007.2, "no2_ppb": null, "o3_ppb": null, "virus_index": 5, "mold_index": 1, "norovirus_index": 4, "influenza_index": 5, "vape_index": 3, "pollen_index": 2, "co_ppm": 0 } }, "kunak_by_device": { "K-A3 RENT 21": { "samples": 12, "no2_ppb": 20.115, "vocs_ppb": 44.33166666666667 }, "K-A3 RENT 5": { "samples": 12, "no2_ppb": 2.0025, "vocs_ppb": 33.15416666666667 } }, "official_outdoor": { "hourKey": "2026-04-10T14", "pm10_ugm3": 14, "pm1_ugm3": 4.4, "pm25_ugm3": 6.7, "no2_ugm3": 10.97491, "no_ugm3": 2.0036, "noxasno2_ugm3": 14.04705 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-10T14", "pm10_ugm3": 14, "pm1_ugm3": 4.4, "pm25_ugm3": 6.7, "no2_ugm3": 10.97491, "no_ugm3": 2.0036, "noxasno2_ugm3": 14.04705 }, "STN4": { "hourKey": "2026-04-10T14", "pm10_ugm3": 12.5, "pm1_ugm3": 4.5, "pm25_ugm3": 6.7, "no2_ugm3": 11.62848, "no_ugm3": 7.38464, "noxasno2_ugm3": 22.95143 }, "STN5": { "hourKey": "2026-04-10T14", "pm10_ugm3": 38.1, "pm1_ugm3": null, "pm25_ugm3": 8.3, "no2_ugm3": 9.08868, "no_ugm3": 2.3839, "noxasno2_ugm3": 12.74394 } }, "fusion": { "official_sites_alignment": "partial", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-10T15", "hourStartLocal": "2026-04-10T15:00:00+01:00", "avg_co2_ppm": null, "avg_tvoc_ppb": null, "avg_pm25_ugm3": null, "avg_temp_c": null, "avg_humidity_pct": null, "avg_pressure_hpa": null, "avg_no2_ppb": 13.252499999999998, "avg_o3_ppb": null, "avg_vocs_ppb": 30.9685, "sensor_count_reporting": 2, "sensor_disagreement_flag": false, "sensor_integrity_state": "unavailable", "interpretation_label": "sensor_caution", "interpretation_reason": "Indoor-layer sensor integrity is weak or missing that hour — tri-site official readings are not trusted ahead of reconciling devices.", "indoor_by_device": {}, "kunak_by_device": { "K-A3 RENT 21": { "samples": 5, "no2_ppb": 23.029999999999998, "vocs_ppb": 36.102 }, "K-A3 RENT 5": { "samples": 2, "no2_ppb": 3.4749999999999996, "vocs_ppb": 25.835 } }, "official_outdoor": { "hourKey": "2026-04-10T15", "pm10_ugm3": 16.5, "pm1_ugm3": 5.9, "pm25_ugm3": 8.2, "no2_ugm3": 11.42504, "no_ugm3": 1.94407, "noxasno2_ugm3": 14.4059 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-10T15", "pm10_ugm3": 16.5, "pm1_ugm3": 5.9, "pm25_ugm3": 8.2, "no2_ugm3": 11.42504, "no_ugm3": 1.94407, "noxasno2_ugm3": 14.4059 }, "STN4": { "hourKey": "2026-04-10T15", "pm10_ugm3": 13.1, "pm1_ugm3": 4.7, "pm25_ugm3": 6.9, "no2_ugm3": 14.62823, "no_ugm3": 8.68745, "noxasno2_ugm3": 27.9488 }, "STN5": { 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7.29751 }, "official_outdoor_sites": { "STN3": { "hourKey": "2026-04-10T20", "pm10_ugm3": 11.3, "pm1_ugm3": 4, "pm25_ugm3": 5.6, "no2_ugm3": 6.8731, "no_ugm3": 0.2768, "noxasno2_ugm3": 7.29751 }, "STN4": { "hourKey": "2026-04-10T20", "pm10_ugm3": 9.5, "pm1_ugm3": 3.3, "pm25_ugm3": 4.9, "no2_ugm3": 22.40303, "no_ugm3": 18.16505, "noxasno2_ugm3": 50.25572 }, "STN5": { "hourKey": "2026-04-10T20", "pm10_ugm3": 10.2, "pm1_ugm3": null, "pm25_ugm3": 4.6, "no2_ugm3": 4.2534, "no_ugm3": 0.16745, "noxasno2_ugm3": 4.51015 } }, "fusion": { "official_sites_alignment": "aligned", "airport_side_vs_forest_flag": "unclear", "perimeter_vs_airport_flag": "similar" } }, { "hourKey": "2026-04-10T21", "hourStartLocal": "2026-04-10T21:00:00+01:00", "avg_co2_ppm": null, "avg_tvoc_ppb": null, "avg_pm25_ugm3": null, "avg_temp_c": null, "avg_humidity_pct": null, "avg_pressure_hpa": null, "avg_no2_ppb": null, "avg_o3_ppb": null, "avg_vocs_ppb": null, "sensor_count_reporting": 0, "sensor_disagreement_flag": false, 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"pm10_ugm3": 62.3, "pm1_ugm3": 41.6, "pm25_ugm3": 49.4, "no2_ugm3": 6.93423, "no_ugm3": 0.58952, "noxasno2_ugm3": 7.83814 }, { "hourKey": "2026-04-10T17", "pm10_ugm3": 51.9, "pm1_ugm3": 17.4, "pm25_ugm3": 32.2, "no2_ugm3": 6.52033, "no_ugm3": 0.3702, "noxasno2_ugm3": 7.08796 }, { "hourKey": "2026-04-10T18", "pm10_ugm3": 41.3, "pm1_ugm3": 16.5, "pm25_ugm3": 26.4, "no2_ugm3": 7.42673, "no_ugm3": 0.32162, "noxasno2_ugm3": 7.91987 }, { "hourKey": "2026-04-10T19", "pm10_ugm3": 15, "pm1_ugm3": 6.7, "pm25_ugm3": 9, "no2_ugm3": 7.81918, "no_ugm3": 0.28672, "noxasno2_ugm3": 8.25881 }, { "hourKey": "2026-04-10T20", "pm10_ugm3": 11.3, "pm1_ugm3": 4, "pm25_ugm3": 5.6, "no2_ugm3": 6.8731, "no_ugm3": 0.2768, "noxasno2_ugm3": 7.29751 }, { "hourKey": "2026-04-10T21", "pm10_ugm3": 15.7, "pm1_ugm3": 3.6, "pm25_ugm3": 6, "no2_ugm3": 7.10113, "no_ugm3": 0.20871, "noxasno2_ugm3": 7.42114 }, { "hourKey": "2026-04-10T22", "pm10_ugm3": 12.6, "pm1_ugm3": 6.2, "pm25_ugm3": 7.9, "no2_ugm3": 7.69063, "no_ugm3": 0.13789, "noxasno2_ugm3": 7.90205 }, { "hourKey": "2026-04-10T23", "pm10_ugm3": 18.3, "pm1_ugm3": 11.7, "pm25_ugm3": 13.7, "no2_ugm3": 8.631, "no_ugm3": 0.12762, "noxasno2_ugm3": 8.82668 } ], "apiContext": { "stnMetadata": { "name": "London Stansted Airport", "iata": "STN", "icao": "EGSS", "source": "static" }, "recentFlightsSample": null, "historicalFlights7to10April": null, "notes": [ "Aviationstack not called without AVIATIONSTACK_API_KEY." ] }, "derived": { "rolling_medians": { "co2_indoor_median": 853, "pm25_stansted3_median": 9.55, "pm25_stn3_median": 9.55, "pm25_stn4_median": 8, "pm25_stn5_median": 8.8, "kunak_pm25_median": null }, "officialSitesSummary": { "STN3": { "hours_with_data": 96, "pollutants": [ "no2_ugm3", "no_ugm3", "noxasno2_ugm3", "pm10_ugm3", "pm1_ugm3", "pm25_ugm3" ], "latest_hour_key": "2026-04-10T23", "latest_no2_ugm3": 8.631, "latest_pm25_ugm3": 13.7, "coverage_ratio": 1 }, "STN4": { "hours_with_data": 95, "pollutants": [ "no2_ugm3", "no_ugm3", "noxasno2_ugm3", "pm10_ugm3", "pm1_ugm3", "pm25_ugm3" ], "latest_hour_key": "2026-04-10T23", "latest_no2_ugm3": 18.35139, "latest_pm25_ugm3": 14.6, "coverage_ratio": 0.9895833333333334 }, "STN5": { "hours_with_data": 95, "pollutants": [ "no2_ugm3", "no_ugm3", "noxasno2_ugm3", "pm10_ugm3", "pm25_ugm3" ], "latest_hour_key": "2026-04-10T23", "latest_no2_ugm3": 5.77958, "latest_pm25_ugm3": 12.5, "coverage_ratio": 0.9895833333333334 } } }, "dashboardCards": [ { "id": "top", "title": "Rolling snapshot", "lines": [ "Airport: STN / EGSS", "Window: 7–10 April 2026 (Europe/London), hourly buckets", "Indoor devices reporting in window: Stansted Airport IAQ 1, Stansted Airport IAQ 2", "Kunak devices reporting in window: K-A3 RENT 21, K-A3 RENT 5", "Official outdoor: STN3 96 · STN4 95 · STN5 95 hourly rows", "Latest fusion alignment: aligned", "Latest integrity in rollup: healthy", "Latest interpretation: mixed_uncertain", "AirLabs: pending — AIRLABS_API_KEY not set in environment", "Aviationstack: pending — AVIATIONSTACK_API_KEY not set in environment" ] } ], "sentinelInterpretation": { "summary": "Conservative labels fuse indoor IAQ, Kunak local outdoor, and three AQ England official monitors (Stansted 3 perimeter side, Stansted 4 airport side, Stansted 5 forest background). This is tri-site source alignment — not proven causation or an ML engine.", "hourly": [ { "hourKey": "2026-04-07T00", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-07T01", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-07T02", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-07T03", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-07T04", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-07T05", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-07T06", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-07T07", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-07T08", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-07T09", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-07T10", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-07T11", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-07T12", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-07T13", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-07T14", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-07T15", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-07T16", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-07T17", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-07T18", "label": "likely_broad_outdoor_regional", "reason": "Perimeter-side, airport-side, and forest-background official monitors rise together versus their rolling medians while indoor CO2 is not the dominant spike — consistent with broad outdoor uplift, not a single local indoor driver." }, { "hourKey": "2026-04-07T19", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-07T20", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-07T21", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-07T22", "label": "likely_broad_outdoor_regional", "reason": "Perimeter-side, airport-side, and forest-background official monitors rise together versus their rolling medians while indoor CO2 is not the dominant spike — consistent with broad outdoor uplift, not a single local indoor driver." }, { "hourKey": "2026-04-07T23", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-08T00", "label": "likely_broad_outdoor_regional", "reason": "Perimeter-side, airport-side, and forest-background official monitors rise together versus their rolling medians while indoor CO2 is not the dominant spike — consistent with broad outdoor uplift, not a single local indoor driver." }, { "hourKey": "2026-04-08T01", "label": "likely_broad_outdoor_regional", "reason": "Perimeter-side, airport-side, and forest-background official monitors rise together versus their rolling medians while indoor CO2 is not the dominant spike — consistent with broad outdoor uplift, not a single local indoor driver." }, { "hourKey": "2026-04-08T02", "label": "likely_broad_outdoor_regional", "reason": "Perimeter-side, airport-side, and forest-background official monitors rise together versus their rolling medians while indoor CO2 is not the dominant spike — consistent with broad outdoor uplift, not a single local indoor driver." }, { "hourKey": "2026-04-08T03", "label": "likely_broad_outdoor_regional", "reason": "Perimeter-side, airport-side, and forest-background official monitors rise together versus their rolling medians while indoor CO2 is not the dominant spike — consistent with broad outdoor uplift, not a single local indoor driver." }, { "hourKey": "2026-04-08T04", "label": "likely_broad_outdoor_regional", "reason": "Perimeter-side, airport-side, and forest-background official monitors rise together versus their rolling medians while indoor CO2 is not the dominant spike — consistent with broad outdoor uplift, not a single local indoor driver." }, { "hourKey": "2026-04-08T05", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-08T06", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-08T07", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-08T08", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-08T09", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-08T10", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-08T11", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-08T12", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-08T13", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-08T14", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-08T15", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-08T16", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-08T17", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-08T18", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-08T19", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-08T20", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-08T21", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-08T22", "label": "likely_broad_outdoor_regional", "reason": "Perimeter-side, airport-side, and forest-background official monitors rise together versus their rolling medians while indoor CO2 is not the dominant spike — consistent with broad outdoor uplift, not a single local indoor driver." }, { "hourKey": "2026-04-08T23", "label": "likely_broad_outdoor_regional", "reason": "Perimeter-side, airport-side, and forest-background official monitors rise together versus their rolling medians while indoor CO2 is not the dominant spike — consistent with broad outdoor uplift, not a single local indoor driver." }, { "hourKey": "2026-04-09T00", "label": "likely_broad_outdoor_regional", "reason": "Perimeter-side, airport-side, and forest-background official monitors rise together versus their rolling medians while indoor CO2 is not the dominant spike — consistent with broad outdoor uplift, not a single local indoor driver." }, { "hourKey": "2026-04-09T01", "label": "likely_broad_outdoor_regional", "reason": "Perimeter-side, airport-side, and forest-background official monitors rise together versus their rolling medians while indoor CO2 is not the dominant spike — consistent with broad outdoor uplift, not a single local indoor driver." }, { "hourKey": "2026-04-09T02", "label": "likely_broad_outdoor_regional", "reason": "Perimeter-side, airport-side, and forest-background official monitors rise together versus their rolling medians while indoor CO2 is not the dominant spike — consistent with broad outdoor uplift, not a single local indoor driver." }, { "hourKey": "2026-04-09T03", "label": "likely_broad_outdoor_regional", "reason": "Perimeter-side, airport-side, and forest-background official monitors rise together versus their rolling medians while indoor CO2 is not the dominant spike — consistent with broad outdoor uplift, not a single local indoor driver." }, { "hourKey": "2026-04-09T04", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-09T05", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-09T06", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-09T07", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-09T08", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-09T09", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-09T10", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-09T11", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-09T12", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-09T13", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-09T14", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-09T15", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-09T16", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-09T17", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-09T18", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-09T19", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-09T20", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-09T21", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-09T22", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-09T23", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-10T00", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-10T01", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-10T02", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-10T03", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-10T04", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-10T05", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-10T06", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-10T07", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-10T08", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-10T09", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-10T10", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-10T11", "label": "sensor_caution", "reason": "Indoor devices disagree enough that hour to put tri-site outdoor patterns second — treat as provisional." }, { "hourKey": "2026-04-10T12", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-10T13", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-10T14", "label": "mixed_uncertain", "reason": "Indoor IAQ, Kunak local outdoor, and the three official monitors (Stansted 3, 4, 5) do not settle into one clear airport-side, regional, forest-contrast, or indoor-only story for this hour." }, { "hourKey": "2026-04-10T15", "label": "sensor_caution", "reason": "Indoor-layer sensor integrity is weak or missing that hour — tri-site official readings are not trusted ahead of reconciling devices." }, { "hourKey": "2026-04-10T16", "label": "sensor_caution", "reason": "Indoor-layer sensor integrity is weak or missing that hour — tri-site official readings are not trusted ahead of reconciling devices." }, { "hourKey": "2026-04-10T17", "label": "sensor_caution", "reason": "Indoor-layer sensor integrity is weak or missing that hour — tri-site official readings are not trusted ahead of reconciling devices." }, { "hourKey": "2026-04-10T18", "label": "sensor_caution", "reason": "Indoor-layer sensor integrity is weak or missing that hour — tri-site official readings are not trusted ahead of reconciling devices." }, { "hourKey": "2026-04-10T19", "label": "sensor_caution", "reason": "Indoor-layer sensor integrity is weak or missing that hour — tri-site official readings are not trusted ahead of reconciling devices." }, { "hourKey": "2026-04-10T20", "label": "sensor_caution", "reason": "Indoor-layer sensor integrity is weak or missing that hour — tri-site official readings are not trusted ahead of reconciling devices." }, { "hourKey": "2026-04-10T21", "label": "sensor_caution", "reason": "Indoor-layer sensor integrity is weak or missing that hour — tri-site official readings are not trusted ahead of reconciling devices." }, { "hourKey": "2026-04-10T22", "label": "sensor_caution", "reason": "Indoor-layer sensor integrity is weak or missing that hour — tri-site official readings are not trusted ahead of reconciling devices." }, { "hourKey": "2026-04-10T23", "label": "sensor_caution", "reason": "Indoor-layer sensor integrity is weak or missing that hour — tri-site official readings are not trusted ahead of reconciling devices." } ], "medians_used": { "co2_indoor_median": 853, "pm25_stansted3_median": 9.55, "pm25_stn3_median": 9.55, "pm25_stn4_median": 8, "pm25_stn5_median": 8.8, "kunak_pm25_median": null } }, "groupedInterpretation": { "byLabel": [ { "interpretation_label": "mixed_uncertain", "hour_count": 31 }, { "interpretation_label": "sensor_caution", "hour_count": 52 }, { "interpretation_label": "likely_broad_outdoor_regional", "hour_count": 13 } ], "by_integrity_state": [ { "sensor_integrity_state": "healthy", "hour_count": 44 }, { "sensor_integrity_state": "caution", "hour_count": 43 }, { "sensor_integrity_state": "unavailable", "hour_count": 9 } ], "summary": "Tri-site vocabulary: airport-side official monitor vs perimeter-side official monitor vs forest-background official monitor, joined with indoor IAQ and Kunak for source alignment and sensor integrity." }, "evidenceCases": [ { "case_id": "ev_indoor_sensor_integrity", "severity": "alert", "case_label": "Indoor sensor integrity", "suspected_issue_label": "Across 96 hours: 44 healthy, 0 watch, 43 caution, 9 unavailable on indoor-layer integrity.", "implicated_subsystem": "Indoor IAQ · cross-device check", "machine_state": "Rolling hourly window", "suggested_inspection": "Reconcile IAQ devices at flagged hours; rule out open doors, HVAC overrides, and calibration drift before attributing airport-side official monitor readings.", "signal_families": [ "indoor_air_quality", "indoor_comfort" ] }, { "case_id": "ev_airport_side_outdoor_uplift", "severity": "info", "case_label": "Airport-side outdoor uplift", "suspected_issue_label": "No sustained airport-side-led tri-site hours in this window — still scan manually near busy periods.", "implicated_subsystem": "AQ England Stansted 4 vs Stansted 5 · tri-site fusion", "machine_state": "Hourly official", "suggested_inspection": "Compare with perimeter-side official monitor (Stansted 3) and Kunak for source alignment; check wind sector narratives only as context.", "signal_families": [ "official_outdoor_particulates", "tri_site_fusion" ] }, { "case_id": "ev_broad_regional_outdoor_episode", "severity": "watch", "case_label": "Broad regional outdoor episode", "suspected_issue_label": "13 hour(s) tagged as broad outdoor uplift — all three official monitors elevated together versus medians without indoor CO2 dominating.", "implicated_subsystem": "AQ England Stansted 3 / 4 / 5", "machine_state": "Hourly official", "suggested_inspection": "Review regional transport and meteorology for those hours; tri-site agreement reduces single-station false confidence.", "signal_families": [ "official_outdoor_particulates", "tri_site_fusion" ] }, { "case_id": "ev_forest_background_contrast", "severity": "info", "case_label": "Forest-background contrast", "suspected_issue_label": "No strong forest-background contrast hours flagged automatically.", "implicated_subsystem": "AQ England Stansted 5 vs Stansted 4", "machine_state": "Hourly official", "suggested_inspection": "Use for exposure discussions alongside perimeter-side official monitor — not a regulatory threshold.", "signal_families": [ "tri_site_fusion" ] }, { "case_id": "ev_runway_stack_context", "severity": "info", "case_label": "Runway and stack operations (context)", "suspected_issue_label": "Runway 04 and Runway 22 on one physical runway (south-west / north-east). Runway 22 used roughly 70% of the time; Runway 04 roughly 30%. Holding stacks Lorel and Abbot; minimum stack altitude 7 000 ft.", "implicated_subsystem": "STN / EGSS · Runway 04 / Runway 22 · Lorel · Abbot", "machine_state": "Reference only", "suggested_inspection": "Plain-language ops context only — not live NOTAM or flight proof.", "signal_families": [ "context_narrative" ] }, { "case_id": "ev_optional_flight_connectors", "severity": "info", "case_label": "Optional flight-data connectors", "suspected_issue_label": "AirLabs: pending — AIRLABS_API_KEY not set in environment; Aviationstack: pending — AVIATIONSTACK_API_KEY not set in environment.", "implicated_subsystem": "Airport ops APIs", "machine_state": "Snapshot build", "suggested_inspection": "No fabricated flight or weather — configure keys only when a real feed is required beside environmental layers.", "signal_families": [ "flight_ops" ] } ], "uiContract": { "version": "1.0", "cards": [ { "id": "what_sentinel", "variant": "hero", "title": "What Sentinel does", "subtitle": "Earlier warning on airport-linked environmental stress", "visibility": "always" }, { "id": "rolling_snapshot", "variant": "metric_grid", "title": "Rolling snapshot", "subtitle": "STN/EGSS · 96 hourly buckets · IAQ: Stansted Airport IAQ 1, Stansted Airport IAQ 2 · Kunak: K-A3 RENT 21, K-A3 RENT 5", "visibility": "always" }, { "id": "evidence_active", "variant": "evidence_list", "title": "Active evidence cases", "subtitle": "Tri-site fusion + indoor + Kunak (snapshot JSON)", "visibility": "always" }, { "id": "monitoring_value", "variant": "metric_grid", "title": "Monitoring value", "subtitle": "Five layers: indoor IAQ, Kunak, Stansted 3/4/5 official hourly", "visibility": "always" }, { "id": "official_tri_comparison", "variant": "comparison_card", "title": "Runway-side vs perimeter vs forest", "subtitle": "Tri-site divergence and source alignment", "visibility": "always" }, { "id": "ops_context", "variant": "notes", "title": "Ops context", "subtitle": "Runway 04 / 22 · Lorel · Abbot · noise layout", "visibility": "always" }, { "id": "layered_ranges", "variant": "comparison_table", "title": "Layered ranges", "subtitle": "Window summary tables in UI", "visibility": "always" }, { "id": "source_health", "variant": "subsystem_grid", "title": "Source health", "subtitle": "Official hourly rows — STN3: 96, STN4: 95, STN5: 95", "visibility": "always" }, { "id": "grouped_interpretation", "variant": "comparison_table", "title": "Grouped interpretation", "subtitle": "Tri-site vocabulary hour counts", "visibility": "always" }, { "id": "source_notes", "variant": "notes", "title": "Source notes", "subtitle": "Files, APIs, limits", "visibility": "always" } ] }, "sourceNotes": { "files": [ "Sentinel - Stansted/Indoor AQ Monitors_Stansted (1).csv", "Sentinel - Stansted/kunak_cleaned.csv", "Sentinel - Stansted/2026-04-01-260411142616.csv", "Sentinel - Stansted/2026-04-01-260411142658.csv", "Sentinel - Stansted/2026-04-01-260411142721.csv", "Sentinel - Stansted/2026-04-01-260411142735.csv", "Sentinel - Stansted/2026-04-01-260411142744.csv", "Sentinel - Stansted/2026-04-01-260411142751.csv", "Sentinel - Stansted/S4 2026-04-07-260412150806.csv", "Sentinel - Stansted/S4 2026-04-07-260412150819.csv", "Sentinel - Stansted/S4 2026-04-07-260412150827.csv", "Sentinel - Stansted/S4 2026-04-07-260412150835.csv", "Sentinel - Stansted/S4 2026-04-07-260412150843.csv", "Sentinel - Stansted/S4 2026-04-07-260412150851.csv", "Sentinel - Stansted/S5 2026-04-07-260412151058.csv", "Sentinel - Stansted/S5 2026-04-07-260412151105.csv", "Sentinel - Stansted/S5 2026-04-07-260412151112.csv", "Sentinel - Stansted/S5 2026-04-07-260412151121.csv", "Sentinel - Stansted/S5 2026-04-07-260412151128.csv" ], "apis": [ "AirLabs v9 (env AIRLABS_API_KEY) — server-side only; connector status recorded, no secrets in this JSON", "Aviationstack v1 (env AVIATIONSTACK_API_KEY) — attempted for STN historical sample; may be unavailable per plan", "metoffice_weather / open_meteo / notam — reserved connector slots; pending until configured" ], "limits": [ "No fabricated flight counts or weather for 7–10 April — connectors record availability only.", "API keys never written to this file or to public web assets.", "STN3, STN4, and STN5 hourly series are ingested only from real AQ England CSV files present under Sentinel - Stansted (banner row identifies the station).", "AQ CSV 2026-04-01-260411142616.csv [ok]: Ingested 96 in-window rows for PM10 → pm10_ugm3.", "AQ CSV 2026-04-01-260411142658.csv [ok]: Ingested 96 in-window rows for PM1 → pm1_ugm3.", "AQ CSV 2026-04-01-260411142721.csv [ok]: Ingested 96 in-window rows for PM25 → pm25_ugm3.", "AQ CSV 2026-04-01-260411142735.csv [ok]: Ingested 96 in-window rows for NOXasNO2 → noxasno2_ugm3.", "AQ CSV 2026-04-01-260411142744.csv [ok]: Ingested 96 in-window rows for NO2 → no2_ugm3.", "AQ CSV 2026-04-01-260411142751.csv [ok]: Ingested 96 in-window rows for NO → no_ugm3.", "AQ CSV S4 2026-04-07-260412150806.csv [ok]: Ingested 95 in-window rows for NO → no_ugm3.", "AQ CSV S4 2026-04-07-260412150819.csv [ok]: Ingested 95 in-window rows for NO2 → no2_ugm3.", "AQ CSV S4 2026-04-07-260412150827.csv [ok]: Ingested 95 in-window rows for NOXasNO2 → noxasno2_ugm3.", "AQ CSV S4 2026-04-07-260412150835.csv [ok]: Ingested 95 in-window rows for PM1 → pm1_ugm3.", "AQ CSV S4 2026-04-07-260412150843.csv [ok]: Ingested 95 in-window rows for PM10 → pm10_ugm3.", "AQ CSV S4 2026-04-07-260412150851.csv [ok]: Ingested 95 in-window rows for PM25 → pm25_ugm3.", "AQ CSV S5 2026-04-07-260412151058.csv [ok]: Ingested 95 in-window rows for NO → no_ugm3.", "AQ CSV S5 2026-04-07-260412151105.csv [ok]: Ingested 95 in-window rows for NO2 → no2_ugm3.", "AQ CSV S5 2026-04-07-260412151112.csv [ok]: Ingested 95 in-window rows for NOXasNO2 → noxasno2_ugm3.", "AQ CSV S5 2026-04-07-260412151121.csv [ok]: Ingested 95 in-window rows for PM10 → pm10_ugm3.", "AQ CSV S5 2026-04-07-260412151128.csv [ok]: Ingested 95 in-window rows for PM25 → pm25_ugm3." ] } }