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Air Quality History for Pomona, United States

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

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

Air Quality Index Station

478h

PM2.5 Station

478h · 79 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-10-20 34 18–42 8.2 µg/m³ 4.9 20h 69
2026-10-19 29 21–37 6.9 µg/m³ 2.8 24h 82
2026-10-18 25 18–35 6.0 µg/m³ 1.5 24h 75
2026-10-17 25 15–35 6.1 µg/m³ 0.7 24h 80
2026-10-16 26 15–37 6.3 µg/m³ 0.7 24h 77
2026-10-15 26 16–36 6.2 µg/m³ 1.9 24h 81
2026-10-14 25 18–30 6.0 µg/m³ 1.6 24h 81
2026-10-13 24 19–28 5.6 µg/m³ 1.6 24h 81
2026-10-12 23 18–30 5.4 µg/m³ 1.5 24h 80
2026-10-11 31 28–34 7.4 µg/m³ 3.8 24h 81
2026-10-10 41 23–50 9.8 µg/m³ 5.7 24h 70
2026-10-09 41 32–49 9.7 µg/m³ 5.6 24h 74
2026-10-08 47 34–55 11.4 µg/m³ 5.1 24h 80
2026-10-07 40 14–77 9.8 µg/m³ 3.4 24h 78
2026-10-06 27 22–51 6.5 µg/m³ 2.0 24h 78
2026-10-05 30 20–38 7.2 µg/m³ 2.5 24h 82
2026-10-04 25 16–35 6.0 µg/m³ 1.3 24h 75
2026-10-03 33 18–46 8.0 µg/m³ 2.1 24h 79
2026-10-02 45 29–55 10.9 µg/m³ 5.0 24h 81
2026-10-01 51 39–64 12.9 µg/m³ 7.6 24h 80
2026-09-30 40 40–41 9.7 µg/m³ 7.7 2h 83
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