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Air Quality History for Folsom, United States

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

16
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

478h

PM2.5 Station

478h · 53 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-06-09 19 15–21 4.5 µg/m³ 6h 52
2026-06-08 25 20–39 6.1 µg/m³ 24h 53
2026-06-07 25 20–28 6.0 µg/m³ 24h 53
2026-06-06 27 22–36 6.4 µg/m³ 24h 50
2026-06-05 32 24–41 7.7 µg/m³ 24h 54
2026-06-04 22 18–29 5.3 µg/m³ 24h 53
2026-06-03 32 29–36 7.6 µg/m³ 24h 53
2026-06-02 32 20–39 7.7 µg/m³ 24h 54
2026-06-01 29 22–56 7.0 µg/m³ 24h 50
2026-05-31 29 23–38 6.9 µg/m³ 24h 55
2026-05-30 26 21–33 6.3 µg/m³ 24h 55
2026-05-29 32 20–53 7.8 µg/m³ 24h 55
2026-05-28 23 16–47 5.6 µg/m³ 24h 51
2026-05-27 20 17–24 4.7 µg/m³ 24h 55
2026-05-26 24 19–28 5.8 µg/m³ 24h 56
2026-05-25 20 16–30 4.8 µg/m³ 24h 57
2026-05-24 21 18–23 5.0 µg/m³ 24h 57
2026-05-23 28 22–32 6.6 µg/m³ 24h 57
2026-05-22 30 24–62 7.2 µg/m³ 24h 55
2026-05-21 28 21–32 6.6 µg/m³ 24h 57
2026-05-20 28 22–30 6.6 µg/m³ 16h 56
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