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Air Quality History for Redwood City, United States

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

63
Current AQI
Moderate CAMS model

Air Quality Index Station

333h

PM2.5 Station

333h · 100 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-08-08 33 33–33 8.0 µg/m³ 4.6 1h 100
2026-08-07 33 22–42 7.9 µg/m³ 5.5 24h 101
2026-08-06 33 28–56 7.9 µg/m³ 5.1 24h 97
2026-08-05 36 33–41 8.7 µg/m³ 7.0 24h 95
2026-08-04 40 33–47 9.7 µg/m³ 7.9 24h 97
2026-08-03 44 21–52 10.7 µg/m³ 15.9 24h 93
2026-08-02 34 29–39 8.2 µg/m³ 9.9 24h 98
2026-08-01 30 25–40 7.1 µg/m³ 5.2 24h 98
2026-07-31 38 30–60 9.2 µg/m³ 7.7 24h 99
2026-07-30 30 28–32 7.3 µg/m³ 6.0 24h 99
2026-07-29 22 18–26 5.4 µg/m³ 3.1 24h 99
2026-07-28 27 24–31 6.6 µg/m³ 7.5 24h 99
2026-07-27 19 17–23 4.5 µg/m³ 1.8 24h 110
2026-07-26 18 16–24 4.4 µg/m³ 1.7 24h 109
2026-07-25 26 23–29 6.2 µg/m³ 4.6 20h 109
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