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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

479h

PM2.5 Station

479h · 4 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-06-09 18 16–23 4.4 µg/m³ 9h 216
2026-06-08 44 29–53 10.5 µg/m³ 24h 243
2026-06-07 28 21–37 6.7 µg/m³ 24h 243
2026-06-06 42 26–56 10.1 µg/m³ 24h 233
2026-06-05 51 44–55 12.6 µg/m³ 24h 242
2026-06-04 39 28–47 9.3 µg/m³ 24h 244
2026-06-03 27 23–31 6.5 µg/m³ 24h 244
2026-06-02 23 21–25 5.5 µg/m³ 24h 245
2026-06-01 25 21–39 6.0 µg/m³ 24h 215
2026-05-31 24 20–29 5.6 µg/m³ 24h 244
2026-05-30 41 19–66 10.6 µg/m³ 24h 244
2026-05-29 25 18–32 6.1 µg/m³ 24h 243
2026-05-28 28 22–38 6.7 µg/m³ 24h 224
2026-05-27 43 29–59 10.7 µg/m³ 24h 243
2026-05-26 32 27–44 7.8 µg/m³ 24h 243
2026-05-25 48 30–72 12.9 µg/m³ 24h 244
2026-05-24 52 38–59 13.0 µg/m³ 24h 244
2026-05-23 28 21–38 6.7 µg/m³ 24h 241
2026-05-22 23 20–27 5.6 µg/m³ 24h 233
2026-05-21 22 15–39 5.2 µg/m³ 24h 242
2026-05-20 16 15–17 3.9 µg/m³ 14h 243
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