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Air Quality History for Placentia, United States

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

32
Current AQI
Good CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

477h

PM2.5 Station

477h · 129 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 33 19–43 7.9 µg/m³ 4.5 24h 116
2026-10-19 29 21–36 6.9 µg/m³ 2.8 24h 132
2026-10-18 25 20–34 6.1 µg/m³ 1.5 24h 122
2026-10-17 25 16–32 5.9 µg/m³ 0.7 24h 131
2026-10-16 26 15–53 6.2 µg/m³ 0.7 24h 126
2026-10-15 26 17–36 6.3 µg/m³ 1.9 24h 131
2026-10-14 25 19–28 6.0 µg/m³ 1.6 24h 132
2026-10-13 23 19–27 5.5 µg/m³ 1.6 24h 132
2026-10-12 23 18–30 5.5 µg/m³ 1.5 24h 131
2026-10-11 32 30–36 7.7 µg/m³ 3.8 24h 131
2026-10-10 41 23–55 9.9 µg/m³ 5.7 24h 116
2026-10-09 41 29–54 9.8 µg/m³ 5.6 24h 122
2026-10-08 46 34–54 11.2 µg/m³ 5.1 24h 133
2026-10-07 39 14–66 9.5 µg/m³ 3.4 24h 129
2026-10-06 26 22–30 6.2 µg/m³ 2.0 24h 128
2026-10-05 29 19–38 7.0 µg/m³ 2.5 24h 133
2026-10-04 25 17–35 6.0 µg/m³ 1.3 24h 122
2026-10-03 33 18–44 7.9 µg/m³ 2.1 24h 130
2026-10-02 45 30–56 11.0 µg/m³ 5.0 24h 132
2026-10-01 52 41–62 13.1 µg/m³ 7.9 21h 132
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