Near West Side 4 Air Quality

Monitoring Station · Chicago, United States
51
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
42 6am
51
42
42 9am
42
42
42 12pm
13
13
13 3pm
13
13
15 6pm
15
15
— 9pm
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— 12am
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— 3am
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Station readings
51
CAMS model adj -12
54
54
54
54
54
54
54
25
25
25
25
25
27
27
27

Air Quality Forecast (24h)

PM2.512.2 µg/m³ ✓ WHO
Moderate
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Nearby Monitoring Stations

53
Near West Side 4
1.3 km PM2.5: 13.0 µg/m³
50
Near West Side 3
1.8 km PM2.5: 11.9 µg/m³
54
Armour Square 1
1.9 km PM2.5: 13.4 µg/m³
48
Near West Side 2
2.0 km PM2.5: 11.5 µg/m³
54
Lower West Side 2
2.1 km PM2.5: 13.7 µg/m³
51
Near South Side 1
2.6 km PM2.5: 12.1 µg/m³
45
Near South Side 2
2.9 km PM2.5: 10.7 µg/m³
53
Bridgeport 1
3.0 km PM2.5: 13.1 µg/m³

Nearby Cities

31 Chicago 32 Lower West Side 29 Near South Side 26 Chicago Loop 32 Bridgeport 30 West Town 23 Near North Side 34 McKinley Park 32 Douglas

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T09:16 UTC.