Near West Side 4 Air Quality

Monitoring Station · Chicago, United States
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
62 1pm
62
62
50 4pm
50
50
50 7pm
50
30
30 10pm
23
23
50 1am
50
50
— 4am
—
—
— 7am
—
—
— 10am
—
—
CAMS model adj -4
66
66
66
54
54
54
54
54
34
34
27
27
54
54
54

Air Quality Forecast (24h)

PM2.55.8 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

22
Near West Side 4
1.3 km PM2.5: 5.2 µg/m³
20
Lower West Side 3
1.4 km PM2.5: 4.7 µg/m³
22
Near West Side 5
1.5 km PM2.5: 5.3 µg/m³
20
Near West Side 3
1.8 km PM2.5: 4.9 µg/m³
24
Armour Square 1
1.9 km PM2.5: 5.8 µg/m³
21
Near West Side 2
2.0 km PM2.5: 5.0 µg/m³
20
Loop 1
2.0 km PM2.5: 4.7 µg/m³
25
Lower West Side 2
2.1 km PM2.5: 6.1 µg/m³

Nearby Cities

21 Chicago 24 Lower West Side 19 Near South Side 21 Chicago Loop 23 Bridgeport 24 West Town 22 Near North Side 24 McKinley Park 21 Douglas

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-09-05T16:37 UTC.