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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.

28
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

478h

PM2.5 Station

478h · 6 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 29 24–31 6.9 µg/m³ 6.2 21h 80
2026-09-04 33 30–40 8.0 µg/m³ 9.8 24h 83
2026-09-03 27 22–40 6.5 µg/m³ 7.9 24h 83
2026-09-02 36 27–57 8.6 µg/m³ 9.4 24h 84
2026-09-01 58 48–63 15.3 µg/m³ 25.0 24h 79
2026-08-31 44 40–49 10.6 µg/m³ 14.8 24h 86
2026-08-30 36 25–49 8.6 µg/m³ 11.2 24h 86
2026-08-29 26 18–44 6.3 µg/m³ 5.1 24h 86
2026-08-28 40 35–46 9.7 µg/m³ 13.4 24h 97
2026-08-27 34 27–40 8.1 µg/m³ 10.7 24h 97
2026-08-26 29 24–35 6.9 µg/m³ 7.6 24h 97
2026-08-25 34 21–50 8.0 µg/m³ 6.8 24h 94
2026-08-24 40 34–50 9.5 µg/m³ 12.8 24h 97
2026-08-23 25 13–36 6.0 µg/m³ 6.1 24h 98
2026-08-22 36 34–38 8.6 µg/m³ 11.0 24h 97
2026-08-21 34 25–41 8.0 µg/m³ 10.1 24h 97
2026-08-20 45 26–53 10.8 µg/m³ 14.9 24h 97
2026-08-19 38 34–47 9.1 µg/m³ 11.7 24h 94
2026-08-18 35 23–45 8.5 µg/m³ 11.6 24h 90
2026-08-17 36 31–46 8.5 µg/m³ 11.8 24h 92
2026-08-16 32 32–32 7.7 µg/m³ 10.8 1h 97
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