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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.

51
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

479h

PM2.5 Station

479h · 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 37 33–40 8.9 µg/m³ 8.8 8h 12
2026-06-08 36 26–52 8.7 µg/m³ 10.5 24h 14
2026-06-07 35 25–42 8.3 µg/m³ 10.2 24h 15
2026-06-06 44 33–55 10.5 µg/m³ 16.9 24h 15
2026-06-05 51 40–59 12.7 µg/m³ 28.9 24h 15
2026-06-04 46 34–61 11.2 µg/m³ 20.0 24h 16
2026-06-03 47 30–59 11.8 µg/m³ 17.5 24h 15
2026-06-02 46 31–60 11.1 µg/m³ 17.5 24h 16
2026-06-01 37 25–60 8.9 µg/m³ 13.6 24h 15
2026-05-31 29 22–40 7.0 µg/m³ 9.7 24h 15
2026-05-30 22 16–38 5.2 µg/m³ 2.9 24h 16
2026-05-29 21 18–27 5.1 µg/m³ 1.4 24h 16
2026-05-28 20 8–32 4.7 µg/m³ 1.6 24h 14
2026-05-27 22 15–25 5.2 µg/m³ 2.7 24h 16
2026-05-26 25 20–30 5.9 µg/m³ 4.8 24h 16
2026-05-25 33 24–44 7.8 µg/m³ 6.1 24h 16
2026-05-24 45 32–56 10.9 µg/m³ 14.6 24h 16
2026-05-23 44 33–55 10.7 µg/m³ 16.5 24h 15
2026-05-22 47 34–59 11.5 µg/m³ 16.5 24h 15
2026-05-21 45 32–58 11.0 µg/m³ 14.9 24h 16
2026-05-20 61 44–77 17.0 µg/m³ 27.2 15h 17
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