Near West Side 4

Monitoring Station · Near South Side, United States
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
39 3pm
34
30
39 6pm
39
39
39 9pm
39
39
52 12am
52
52
52 3am
77
77
— 6am
—
—
— 9am
—
—
— 12pm
—
—
Station readings
39
34
30
CAMS model adj +2
50
50
37
37
37
37
37
37
37
50
50
50
50
75
75

Air Quality Trend (24h)

PM2.57.3 µg/m³ ✓ WHO
Good

Nearby Monitoring Stations

27
Near South Side 1
1.3 km PM2.5: 6.5 µg/m³
52
Near West Side 4
1.3 km PM2.5: 12.7 µg/m³
29
Armour Square 1
1.6 km PM2.5: 7.0 µg/m³
29
Near South Side 2
2.0 km PM2.5: 7.0 µg/m³
28
Loop 2
2.1 km PM2.5: 6.6 µg/m³
30
Lower West Side 3
2.1 km PM2.5: 7.2 µg/m³
26
Near West Side 3
2.2 km PM2.5: 6.2 µg/m³
27
Near West Side 5
2.8 km PM2.5: 6.4 µg/m³

Nearby Cities

31 Near South Side 31 Chicago Loop 31 Chicago 31 Lower West Side 31 Bridgeport 30 Near North Side 31 Douglas 30 West Town 31 McKinley Park

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