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Air Quality History for West Chester, United States

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

23
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 4 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-07-22 27 25–29 6.4 µg/m³ 5.7 3h 63
2026-07-21 54 35–65 14.2 µg/m³ 22.5 24h 87
2026-07-20 50 31–71 13.2 µg/m³ 13.1 24h 83
2026-07-19 57 26–73 16.0 µg/m³ 26.2 24h 86
2026-07-18 141 71–164 60.6 µg/m³ 95.6 24h 87
2026-07-17 181 158–219 111.4 µg/m³ 143.8 24h 90
2026-07-16 138 81–165 53.3 µg/m³ 96.1 24h 84
2026-07-15 57 52–74 15.1 µg/m³ 23.1 24h 90
2026-07-14 44 36–54 10.6 µg/m³ 15.3 24h 88
2026-07-13 37 30–49 9.0 µg/m³ 10.4 24h 90
2026-07-12 45 36–53 10.9 µg/m³ 16.6 24h 86
2026-07-11 51 34–61 12.9 µg/m³ 23.6 24h 73
2026-07-10 52 38–60 13.2 µg/m³ 19.8 24h 87
2026-07-09 32 23–48 7.7 µg/m³ 10.9 24h 91
2026-07-08 19 13–24 4.4 µg/m³ 2.9 20h 93
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