Loop 1 Air Quality

Monitoring Station · Chicago Loop, United States
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
17 3pm
18
21
21 6pm
21
21
1 9pm
1
0
0 12am
21
21
21 3am
21
21
— 6am
—
—
— 9am
—
—
— 12pm
—
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Station readings
17
18
CAMS model adj -33
66
54
54
54
54
54
34
34
27
27
54
54
54
54
54

Air Quality Forecast (24h)

PM2.54.4 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

22
Near West Side 3
1.4 km PM2.5: 5.3 µg/m³
20
Near West Side 4
1.5 km PM2.5: 4.9 µg/m³
21
Loop 2
1.6 km PM2.5: 5.0 µg/m³
24
Near North Side 4
1.6 km PM2.5: 5.7 µg/m³
21
Near West Side 4
2.0 km PM2.5: 5.1 µg/m³
20
Near South Side 1
2.1 km PM2.5: 4.7 µg/m³
21
West Town 3
2.1 km PM2.5: 5.1 µg/m³
21
Near North Side 3
2.2 km PM2.5: 5.1 µg/m³

Nearby Cities

21 Chicago Loop 23 Near North Side 19 Near South Side 29 West Town 22 Chicago 24 Lower West Side 19 Lincoln Park 22 Bridgeport 20 Douglas

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-09-05T18:58 UTC.