Near West Side 4 Air Quality

Monitoring Station · Chicago, United States
57
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
44 6pm
44
44
44 9pm
44
44
43 12am
44
46
46 3am
46
44
46 6am
73
85
— 9am
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—
— 12pm
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— 3pm
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CAMS model adj +19
25
25
25
25
25
25
24
25
27
27
27
25
27
54
66

Air Quality Forecast (24h)

PM2.515.1 µg/m³ ✓ WHO
Moderate
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Nearby Monitoring Stations

53
Near West Side 4
1.3 km PM2.5: 12.9 µg/m³
57
Lower West Side 3
1.4 km PM2.5: 14.9 µg/m³
53
Near West Side 5
1.5 km PM2.5: 13.2 µg/m³
52
Near West Side 3
1.8 km PM2.5: 12.8 µg/m³
54
Armour Square 1
1.9 km PM2.5: 13.4 µg/m³
50
Near West Side 2
2.0 km PM2.5: 12.0 µg/m³
53
Loop 1
2.0 km PM2.5: 13.0 µg/m³
54
Lower West Side 2
2.1 km PM2.5: 13.7 µg/m³

Nearby Cities

58 Chicago 56 Lower West Side 57 Near South Side 55 Chicago Loop 56 Bridgeport 55 West Town 54 Near North Side 56 McKinley Park 56 Douglas

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T21:45 UTC.