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Air Quality History for Placentia, United States

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

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

Air Quality Index Station

477h

PM2.5 Station

477h · 131 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-09-05 32 30–41 7.8 µg/m³ 5.0 15h 132
2026-09-04 30 25–35 7.3 µg/m³ 3.6 24h 132
2026-09-03 37 28–41 8.8 µg/m³ 5.3 24h 132
2026-09-02 34 32–40 8.2 µg/m³ 4.9 24h 132
2026-09-01 39 32–48 9.4 µg/m³ 5.7 24h 125
2026-08-31 50 45–55 12.2 µg/m³ 9.5 24h 131
2026-08-30 54 52–56 13.5 µg/m³ 10.7 24h 131
2026-08-29 46 36–53 11.0 µg/m³ 6.5 24h 130
2026-08-28 45 40–53 10.9 µg/m³ 8.0 24h 132
2026-08-27 42 40–44 10.1 µg/m³ 6.4 24h 132
2026-08-26 41 33–51 9.8 µg/m³ 6.5 24h 132
2026-08-25 39 34–46 9.3 µg/m³ 5.4 24h 132
2026-08-24 41 35–47 9.8 µg/m³ 4.3 24h 131
2026-08-23 40 36–44 9.6 µg/m³ 5.2 24h 131
2026-08-22 41 36–47 9.7 µg/m³ 6.6 24h 132
2026-08-21 47 40–54 11.4 µg/m³ 8.9 24h 131
2026-08-20 50 43–57 12.4 µg/m³ 8.6 24h 130
2026-08-19 44 40–62 10.6 µg/m³ 5.9 24h 126
2026-08-18 42 19–55 10.1 µg/m³ 5.2 24h 120
2026-08-17 40 34–45 9.5 µg/m³ 5.9 24h 126
2026-08-16 40 38–44 9.5 µg/m³ 6.1 6h 132
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