Near West Side 4

Monitoring Station · Chicago, United States
52
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
70 3pm
70
57
57 6pm
57
57
57 9pm
57
57
70 12am
70
70
70 3am
95
95
6am
9am
12pm
CAMS model adj +20
50
50
37
37
37
37
37
37
37
50
50
50
50
75
75
PM2.512.7 µg/m³ ✓ WHO
Moderate

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T18:38 UTC.