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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

480h

PM2.5 Station

480h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-06-09 33 12–37 7.9 µg/m³ 5.5 9h 115
2026-06-08 36 33–42 8.6 µg/m³ 7.0 24h 143
2026-06-07 35 34–38 8.5 µg/m³ 6.8 24h 146
2026-06-06 48 39–53 11.6 µg/m³ 10.4 24h 142
2026-06-05 62 52–71 17.5 µg/m³ 17.2 24h 147
2026-06-04 55 42–65 14.3 µg/m³ 12.5 24h 147
2026-06-03 49 32–63 12.6 µg/m³ 10.3 24h 148
2026-06-02 53 44–59 13.4 µg/m³ 10.5 24h 147
2026-06-01 46 33–52 11.0 µg/m³ 8.8 24h 130
2026-05-31 41 25–53 9.8 µg/m³ 7.0 24h 145
2026-05-30 22 15–29 5.2 µg/m³ 4.3 24h 147
2026-05-29 17 14–22 4.0 µg/m³ 3.8 24h 147
2026-05-28 20 10–48 4.7 µg/m³ 3.6 24h 136
2026-05-27 21 19–24 5.1 µg/m³ 3.2 24h 148
2026-05-26 23 23–25 5.6 µg/m³ 4.3 24h 148
2026-05-25 27 25–32 6.5 µg/m³ 5.0 24h 148
2026-05-24 36 30–42 8.6 µg/m³ 8.7 24h 148
2026-05-23 46 40–52 11.1 µg/m³ 9.5 24h 146
2026-05-22 49 25–58 12.2 µg/m³ 9.8 24h 142
2026-05-21 50 43–68 12.5 µg/m³ 9.5 24h 149
2026-05-20 71 57–81 21.8 µg/m³ 16.9 15h 148
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