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
30 5pm
35
30
35 8pm
35
35
35 11pm
48
48
48 2am
48
73
73 5am
73
48
— 8am
—
—
— 11am
—
—
— 2pm
—
—
Station readings
30
30
CAMS model adj -2
37
37
37
37
37
37
37
50
50
50
50
75
75
75
50

Air Quality Trend (24h)

PM2.57.3 µg/m³ ✓ WHO
Good

Nearby Monitoring Stations

28
Near South Side 1
1.3 km PM2.5: 6.8 µg/m³
26
Near West Side 4
1.3 km PM2.5: 6.3 µg/m³
30
Armour Square 1
1.6 km PM2.5: 7.3 µg/m³
30
Near South Side 2
2.0 km PM2.5: 7.2 µg/m³
32
Loop 2
2.1 km PM2.5: 7.7 µg/m³
30
Lower West Side 3
2.1 km PM2.5: 7.1 µg/m³
26
Near West Side 3
2.2 km PM2.5: 6.3 µg/m³
28
Near West Side 5
2.8 km PM2.5: 6.6 µg/m³

Nearby Cities

28 Near South Side 28 Chicago Loop 28 Chicago 28 Lower West Side 28 Bridgeport 28 Near North Side 28 Douglas 28 West Town 28 McKinley Park

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T20:27 UTC.