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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.

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

Air Quality Index Station

333h

PM2.5 Station

333h · 142 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-09-05 34 29–44 8.1 µg/m³ 5.4 17h 139
2026-09-04 30 24–35 7.3 µg/m³ 5.0 24h 139
2026-09-03 36 27–41 8.7 µg/m³ 6.5 24h 139
2026-09-02 34 31–38 8.2 µg/m³ 6.0 24h 139
2026-09-01 39 35–47 9.4 µg/m³ 6.7 24h 133
2026-08-31 49 44–54 11.8 µg/m³ 9.6 24h 139
2026-08-30 54 52–55 13.4 µg/m³ 10.8 24h 139
2026-08-29 46 37–53 11.2 µg/m³ 7.2 24h 138
2026-08-28 44 40–52 10.7 µg/m³ 8.6 24h 140
2026-08-27 41 40–44 9.9 µg/m³ 7.1 24h 140
2026-08-26 40 32–48 9.6 µg/m³ 7.0 24h 140
2026-08-25 38 35–46 9.2 µg/m³ 6.5 24h 140
2026-08-24 41 36–47 9.9 µg/m³ 5.7 24h 139
2026-08-23 40 37–44 9.6 µg/m³ 6.4 24h 140
2026-08-22 41 38–45 9.8 µg/m³ 7.2 4h 140
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