Near West Side 4 Air Quality

Monitoring Station · Near South Side, United States
58
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
49 5pm
60
58
49 8pm
49
49
49 11pm
48
49
51 2am
51
51
49 5am
51
78
— 8am
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—
— 11am
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— 2pm
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Station readings
60
58
CAMS model adj +24
25
25
25
25
25
25
25
24
25
27
27
27
25
27
54

Air Quality Forecast (24h)

PM2.515.3 µg/m³ ✓ WHO
Moderate
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Nearby Monitoring Stations

57
Near South Side 1
1.3 km PM2.5: 15.0 µg/m³
57
Near West Side 4
1.3 km PM2.5: 15.1 µg/m³
57
Loop 1
1.5 km PM2.5: 15.1 µg/m³
58
Armour Square 1
1.6 km PM2.5: 15.6 µg/m³
63
Near South Side 2
2.0 km PM2.5: 17.9 µg/m³
58
Loop 2
2.1 km PM2.5: 15.3 µg/m³
62
Lower West Side 3
2.1 km PM2.5: 17.4 µg/m³
57
Near West Side 3
2.2 km PM2.5: 14.9 µg/m³

Nearby Cities

60 Near South Side 58 Chicago Loop 61 Chicago 60 Lower West Side 59 Bridgeport 58 Near North Side 59 Douglas 58 West Town 59 McKinley Park

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T20:52 UTC.