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Air Quality History for Littleton, United States

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

36
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-06-09 27 8–39 6.4 µg/m³ 12.7 14h 35
2026-06-08 25 18–35 6.0 µg/m³ 38.2 24h 38
2026-06-07 20 16–24 4.8 µg/m³ 25.3 24h 38
2026-06-06 26 18–34 6.3 µg/m³ 29.2 24h 37
2026-06-05 24 18–30 5.7 µg/m³ 34.6 24h 39
2026-06-04 23 18–28 5.5 µg/m³ 35.9 24h 39
2026-06-03 26 21–33 6.2 µg/m³ 32.6 24h 38
2026-06-02 24 20–35 5.6 µg/m³ 17.9 24h 38
2026-06-01 23 17–52 5.6 µg/m³ 19.6 24h 33
2026-05-31 21 15–37 5.1 µg/m³ 10.6 24h 38
2026-05-30 23 18–32 5.5 µg/m³ 22.3 24h 38
2026-05-29 26 18–40 6.3 µg/m³ 28.9 24h 38
2026-05-28 23 15–61 5.6 µg/m³ 13.1 24h 35
2026-05-27 20 18–26 4.9 µg/m³ 16.1 24h 37
2026-05-26 23 18–26 5.4 µg/m³ 35.4 9h 38
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