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Air Quality History for Rancho Cucamonga, United States

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

42
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 1 station

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 38 32–55 9.1 µg/m³ 10.1 14h 12
2026-06-08 38 28–52 9.0 µg/m³ 10.5 24h 13
2026-06-07 36 30–43 8.7 µg/m³ 10.2 24h 14
2026-06-06 44 32–53 10.5 µg/m³ 16.9 24h 15
2026-06-05 53 47–61 13.4 µg/m³ 28.9 24h 16
2026-06-04 48 39–60 12.0 µg/m³ 20.0 24h 16
2026-06-03 48 34–62 12.1 µg/m³ 17.5 24h 16
2026-06-02 46 35–61 11.5 µg/m³ 17.5 24h 15
2026-06-01 39 26–57 9.3 µg/m³ 13.6 24h 14
2026-05-31 30 22–49 7.1 µg/m³ 9.7 24h 14
2026-05-30 22 14–33 5.2 µg/m³ 2.9 24h 16
2026-05-29 22 18–30 5.2 µg/m³ 1.4 24h 15
2026-05-28 25 11–158 7.3 µg/m³ 1.6 24h 14
2026-05-27 23 18–28 5.5 µg/m³ 2.7 24h 16
2026-05-26 28 24–33 6.6 µg/m³ 5.2 10h 16
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