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Air Quality History for Placentia, United States

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

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

Air Quality Index Station

456h

PM2.5 Station

456h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-07-21 35 9–42 8.4 µg/m³ 4.1 23h 118
2026-07-20 47 28–54 11.5 µg/m³ 7.1 24h 119
2026-07-19 46 22–53 11.2 µg/m³ 7.9 24h 125
2026-07-18 40 25–44 9.6 µg/m³ 5.4 24h 125
2026-07-17 45 35–54 10.8 µg/m³ 9.5 24h 130
2026-07-16 41 36–62 10.1 µg/m³ 5.6 24h 120
2026-07-15 39 33–45 9.4 µg/m³ 5.3 24h 126
2026-07-14 38 32–43 9.2 µg/m³ 6.1 24h 122
2026-07-13 44 29–52 10.7 µg/m³ 8.1 24h 125
2026-07-12 40 30–45 9.7 µg/m³ 7.9 24h 120
2026-07-11 50 34–59 12.5 µg/m³ 10.6 24h 99
2026-07-10 58 45–66 15.5 µg/m³ 16.3 24h 120
2026-07-09 44 33–57 10.8 µg/m³ 9.0 23h 131
2026-07-08 31 26–38 7.3 µg/m³ 4.1 24h 130
2026-07-07 29 25–35 6.9 µg/m³ 4.1 24h 130
2026-07-06 31 27–34 7.5 µg/m³ 3.7 13h 122
2026-07-05 61 34–111 17.7 µg/m³ 35.7 24h 130
2026-07-04 38 33–45 9.2 µg/m³ 6.7 24h 132
2026-07-03 44 38–56 10.7 µg/m³ 7.7 24h 132
2026-07-02 41 15–51 9.9 µg/m³ 8.1 13h 112
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