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Air Quality History for Denver, United States

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

34
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 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 24 8–40 5.9 µg/m³ 11.5 10h 32
2026-06-08 24 16–36 5.9 µg/m³ 38.2 24h 40
2026-06-07 20 17–25 4.9 µg/m³ 25.3 24h 41
2026-06-06 27 17–37 6.5 µg/m³ 29.2 24h 41
2026-06-05 24 18–33 5.8 µg/m³ 34.6 24h 41
2026-06-04 24 19–35 5.7 µg/m³ 35.9 24h 42
2026-06-03 26 21–31 6.2 µg/m³ 32.6 24h 41
2026-06-02 24 19–31 5.6 µg/m³ 17.9 24h 41
2026-06-01 24 17–60 5.9 µg/m³ 19.6 24h 36
2026-05-31 20 15–33 4.8 µg/m³ 10.6 24h 40
2026-05-30 22 18–28 5.3 µg/m³ 22.3 24h 41
2026-05-29 27 18–41 6.5 µg/m³ 28.9 24h 41
2026-05-28 23 14–45 5.5 µg/m³ 13.1 24h 38
2026-05-27 21 18–28 5.0 µg/m³ 16.1 24h 40
2026-05-26 21 19–25 5.1 µg/m³ 28.7 14h 41
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