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Air Quality History for Castle Rock, United States

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

41
Current AQI
Good CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

475h

PM2.5 Station

475h · 21 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-08-08 74 71–78 23.0 µg/m³ 17.6 7h 19
2026-08-07 72 67–78 21.9 µg/m³ 18.3 24h 20
2026-08-06 69 63–75 20.4 µg/m³ 17.3 24h 19
2026-08-05 73 63–85 22.4 µg/m³ 26.5 24h 20
2026-08-04 88 69–164 31.0 µg/m³ 35.4 24h 19
2026-08-03 55 37–78 14.8 µg/m³ 12.3 23h 19
2026-08-02 44 39–52 10.5 µg/m³ 8.7 24h 17
2026-08-01 53 42–57 13.1 µg/m³ 13.9 24h 17
2026-07-31 43 26–52 10.2 µg/m³ 10.3 24h 16
2026-07-30 21 18–24 5.1 µg/m³ 10.5 24h 15
2026-07-29 29 23–39 7.1 µg/m³ 10.6 24h 15
2026-07-28 29 22–38 7.1 µg/m³ 12.0 24h 15
2026-07-27 24 17–34 5.7 µg/m³ 12.2 24h 23
2026-07-26 24 18–28 5.7 µg/m³ 10.9 24h 23
2026-07-25 28 24–40 6.8 µg/m³ 9.5 24h 23
2026-07-24 31 27–38 7.4 µg/m³ 11.6 23h 23
2026-07-23 33 24–48 7.8 µg/m³ 12.3 24h 22
2026-07-22 32 25–41 7.7 µg/m³ 19.3 23h 23
2026-07-21 40 19–64 10.3 µg/m³ 16.0 24h 23
2026-07-20 27 7–65 6.7 µg/m³ 11.8 24h 21
2026-07-19 26 18–49 6.2 µg/m³ 16.3 15h 23
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