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Air Quality History for Frederick, United States

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

44
Current AQI
Good CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

457h

PM2.5 Station

457h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-21 54 28–94 14.7 µg/m³ 24h 4
2026-07-20 63 42–78 17.9 µg/m³ 24h 4
2026-07-19 64 38–113 18.6 µg/m³ 24h 5
2026-07-18 121 38–166 48.1 µg/m³ 24h 5
2026-07-17 164 54–211 94.7 µg/m³ 24h 5
2026-07-16 108 44–222 46.7 µg/m³ 24h 5
2026-07-15 49 31–114 12.8 µg/m³ 24h 5
2026-07-14 38 27–50 9.2 µg/m³ 24h 5
2026-07-13 36 26–55 8.6 µg/m³ 24h 5
2026-07-12 36 5–47 8.5 µg/m³ 24h 5
2026-07-11 39 25–57 9.4 µg/m³ 24h 5
2026-07-10 42 25–69 10.7 µg/m³ 24h 4
2026-07-09 35 22–51 8.5 µg/m³ 24h 5
2026-07-08 34 23–46 8.2 µg/m³ 24h 5
2026-07-07 42 30–49 10.0 µg/m³ 24h 5
2026-07-06 40 33–52 9.7 µg/m³ 14h 5
2026-07-05 75 31–175 25.2 µg/m³ 24h 5
2026-07-04 46 33–61 11.3 µg/m³ 24h 5
2026-07-03 51 31–59 12.9 µg/m³ 24h 5
2026-07-02 49 36–61 12.4 µg/m³ 11h 5
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