Near West Side 4 Air Quality

Monitoring Station · Near South Side, United States
53
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
60 6pm
58
53
51 9pm
51
51
50 12am
51
53
53 3am
53
51
53 6am
80
92
9am
12pm
3pm
Station readings
60
58
53
CAMS model adj +26
25
25
25
25
25
25
24
25
27
27
27
25
27
54
66
PM2.512.9 µg/m³ ✓ WHO
Moderate
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T21:45 UTC.