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Air Quality History for West Chicago, United States

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

16
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
2026-06-09 18 16–23 4.4 µg/m³ 1.0 9h 216
2026-06-08 44 29–53 10.5 µg/m³ 3.9 24h 243
2026-06-07 28 21–37 6.7 µg/m³ 2.2 24h 243
2026-06-06 42 26–56 10.1 µg/m³ — 24h 233
2026-06-05 51 44–55 12.6 µg/m³ 1.2 24h 242
2026-06-04 39 28–47 9.3 µg/m³ 4.0 24h 244
2026-06-03 27 23–31 6.5 µg/m³ 1.8 24h 244
2026-06-02 23 21–25 5.5 µg/m³ 1.1 24h 245
2026-06-01 25 21–39 6.0 µg/m³ — 24h 215
2026-05-31 24 20–29 5.6 µg/m³ 1.0 24h 244
2026-05-30 41 19–66 10.6 µg/m³ 8.6 24h 244
2026-05-29 25 18–32 6.1 µg/m³ 1.4 24h 243
2026-05-28 28 22–38 6.7 µg/m³ 2.3 24h 224
2026-05-27 43 29–59 10.7 µg/m³ 10.2 24h 243
2026-05-26 31 27–37 7.4 µg/m³ 2.5 14h 244
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