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Air Quality History for Diamond Bar, United States

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

74
Current AQI
Moderate CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

477h

PM2.5 Station

477h · 107 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-08-08 42 40–45 10.0 µg/m³ 3.9 3h 107
2026-08-07 46 39–55 11.1 µg/m³ 7.1 24h 104
2026-08-06 47 39–54 11.3 µg/m³ 9.0 24h 104
2026-08-05 52 41–65 13.1 µg/m³ 9.9 24h 103
2026-08-04 53 40–72 13.9 µg/m³ 10.0 24h 103
2026-08-03 52 42–60 13.0 µg/m³ 9.6 24h 98
2026-08-02 46 41–54 11.3 µg/m³ 7.7 24h 98
2026-08-01 51 45–55 12.4 µg/m³ 8.9 24h 97
2026-07-31 53 42–61 13.5 µg/m³ 10.8 24h 97
2026-07-30 48 40–55 11.8 µg/m³ 9.7 24h 97
2026-07-29 45 39–52 10.8 µg/m³ 8.8 24h 98
2026-07-28 44 34–66 10.8 µg/m³ 6.5 24h 98
2026-07-27 42 34–54 10.2 µg/m³ 6.6 24h 108
2026-07-26 46 42–51 11.1 µg/m³ 7.9 24h 110
2026-07-25 42 38–51 10.2 µg/m³ 6.6 24h 109
2026-07-24 36 25–41 8.6 µg/m³ 4.8 24h 105
2026-07-23 25 20–31 6.0 µg/m³ 2.6 24h 105
2026-07-22 29 21–60 7.2 µg/m³ 4.6 24h 99
2026-07-21 37 26–65 9.0 µg/m³ 4.0 24h 104
2026-07-20 47 39–54 11.3 µg/m³ 7.1 24h 100
2026-07-19 48 42–53 11.6 µg/m³ 8.6 18h 108
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