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Air Quality History for Danbury, United States

Historical PM2.5 and AQI trend from monitoring stations near Danbury, United States.

13
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

456h

PM2.5 Station

456h · 5 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-21 45 20–81 11.5 µg/m³ 22h 4
2026-07-20 48 12–95 13.3 µg/m³ 24h 4
2026-07-19 62 25–152 18.1 µg/m³ 24h 4
2026-07-18 103 49–164 37.2 µg/m³ 24h 5
2026-07-17 129 53–212 60.9 µg/m³ 24h 6
2026-07-16 92 54–166 32.6 µg/m³ 24h 6
2026-07-15 74 33–164 24.4 µg/m³ 24h 5
2026-07-14 38 20–49 9.1 µg/m³ 24h 5
2026-07-13 39 24–70 9.6 µg/m³ 23h 5
2026-07-12 35 23–49 8.4 µg/m³ 24h 5
2026-07-11 34 12–48 8.3 µg/m³ 24h 6
2026-07-10 32 22–52 7.6 µg/m³ 24h 7
2026-07-09 33 17–51 7.9 µg/m³ 24h 6
2026-07-08 30 20–44 7.3 µg/m³ 24h 6
2026-07-07 28 14–36 6.7 µg/m³ 24h 6
2026-07-06 34 25–55 8.3 µg/m³ 14h 6
2026-07-05 50 35–89 12.9 µg/m³ 24h 6
2026-07-04 38 32–53 9.3 µg/m³ 24h 6
2026-07-03 49 38–62 12.0 µg/m³ 24h 6
2026-07-02 52 32–60 13.1 µg/m³ 12h 6
2026-07-01 58 58–58 15.3 µg/m³ 1h 6
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