Air Quality in Chicago Loop, United States

Clear
22.4°C · 35.7% humidity
22.4°
Feels 22.4°
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
261 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
24 7am
56
56
22 10am
20
27
31 1pm
35
38
19 4pm
21
15
15 7pm
43
43
43 10pm
44
44
44 1am
44
44
44 4am
44
44
Station readings
93
60
25
CAMS model adj -10
34
66
66
66
54
54
54
54
54
34
34
27
27
54
54
54
54
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

13h · 1 stn

Chicago Loop's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

35.7%
Humidity
27.9 km/h
Wind NW
1019.8 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
22
5.15 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Chicago Loop?

Temperature & Precipitation

PM2.5 Trend

13h · 1 station
PM2.55.15 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX9.4
Very High
AD 300×250
Station readings (261 stations within 25 km)
5.15
Median
6.02
Average
1.85
Low
18.09
High
PM2.5 µg/m³ · Model: 12.85 · Bias: +7.7

What is the 7-day forecast for Chicago Loop?

09-05
22.4° 18.2°
09-06
31.3° 16.0°
0.06 mm
09-07
25.0° 18.6°
2.5 mm
09-08
22.4° 13.8°
22.31 mm
09-09
30.3° 17.5°
0.69 mm
09-10
27.5° 17.0°
0.38 mm
09-11
27.4° 16.1°
0.69 mm
Both models agree Avg diff: 5.6°C

Where are air quality stations near Chicago Loop?

19
Loop 1
0.5 km PM2.5: 4.6 µg/m³
24
Near North Side 4
1.3 km PM2.5: 5.8 µg/m³
21
Loop 2
1.3 km PM2.5: 5.0 µg/m³
22
Near North Side 3
1.7 km PM2.5: 5.2 µg/m³
22
Near West Side 3
1.8 km PM2.5: 5.2 µg/m³
23
Near West Side 4
1.9 km PM2.5: 5.6 µg/m³
21
West Town 3
2.1 km PM2.5: 5.0 µg/m³
20
Near South Side 1
2.1 km PM2.5: 4.9 µg/m³
24
Near West Side 4
2.6 km PM2.5: 5.8 µg/m³
21
Near West Side 2
3.1 km PM2.5: 5.1 µg/m³

What cities are near Chicago Loop?

23 Near North Side 19 Near South Side 25 West Town 22 Chicago 25 Lower West Side 18 Lincoln Park 23 Bridgeport 23 Douglas 25 East Garfield Park 27 McKinley Park
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T15:49 UTC.