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Air Quality History for Fountain Valley, United States

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

24
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 2 stations

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 31 17–36 7.5 µg/m³ 5.0 8h 110
2026-06-08 36 32–42 8.6 µg/m³ 7.0 24h 142
2026-06-07 35 34–38 8.5 µg/m³ 6.8 24h 145
2026-06-06 48 39–53 11.6 µg/m³ 10.4 24h 140
2026-06-05 62 52–71 17.5 µg/m³ 17.2 24h 146
2026-06-04 55 42–65 14.4 µg/m³ 12.5 24h 146
2026-06-03 50 32–64 12.7 µg/m³ 10.3 24h 146
2026-06-02 53 43–59 13.4 µg/m³ 10.5 24h 145
2026-06-01 46 29–54 11.0 µg/m³ 8.8 23h 134
2026-05-31 41 25–53 9.8 µg/m³ 7.0 24h 144
2026-05-30 21 15–29 5.1 µg/m³ 4.3 24h 146
2026-05-29 17 14–20 4.0 µg/m³ 3.8 24h 146
2026-05-28 19 13–28 4.5 µg/m³ 3.6 24h 134
2026-05-27 21 19–23 5.0 µg/m³ 3.2 24h 146
2026-05-26 23 22–24 5.5 µg/m³ 4.4 16h 146
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