Air Quality in Chicago Loop, United States

Windy
25.2°C · 38.1% humidity
25.2°
Feels 25.2°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
8 6pm
8
20
26 9pm
12
11
10 12am
10
9
9 3am
9
8
8 6am
8
0
0 9am
0
0
0 12pm
0
0
0 3pm
0
0
Station readings 6h ago
AQI 8
PM2.5 1.9 µg/m³ · 6h ago
CAMS model adj -46
54
54
66
66
54
54
54
54
54
54
54
54
54
54
25
25
25
25
25
27
27
27
27
27
AD 728×90

Air Quality Index Trend

20h · 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.

38.1%
Humidity
55.9 km/h
Wind NE
1018.9 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
26
6.21 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Chicago Loop?

Temperature & Precipitation

PM2.5 Trend

20h · 1 station
PM2.56.21 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (3 stations within 25 km)
6.21
Median
7.31
Average
2.42
Low
10.1
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +7.3

What is the 7-day forecast for Chicago Loop?

08-03
27.1° 18.2°
7.94 mm
08-04
35.9° 16.6°
0.06 mm
08-05
30.9° 17.1°
2.63 mm
08-06
37.5° 22.8°
08-07
32.1° 20.1°
0.06 mm
08-08
35.1° 18.9°
3.06 mm
08-09
36.0° 24.9°
0.25 mm
Both models agree Avg diff: 3.8°C

Where are air quality stations near Chicago Loop?

45
Near North Side 4
1.3 km PM2.5: 10.7 µg/m³
35
Near West Side 3
1.8 km PM2.5: 8.3 µg/m³
39
Near West Side 4
1.9 km PM2.5: 9.3 µg/m³
38
West Town 3
2.1 km PM2.5: 9.1 µg/m³
38
Near South Side 1
2.1 km PM2.5: 9.1 µg/m³
37
Near West Side 4
2.6 km PM2.5: 8.8 µg/m³
38
Near North Side 1
3.1 km PM2.5: 9.2 µg/m³
38
Armour Square 1
3.5 km PM2.5: 9.0 µg/m³
34
Near South Side 2
3.5 km PM2.5: 8.2 µg/m³
40
West Town 4
3.5 km PM2.5: 9.7 µg/m³

What cities are near Chicago Loop?

23 Near North Side 29 Near South Side 30 West Town 31 Chicago 32 Lower West Side 18 Lincoln Park 32 Bridgeport 32 Douglas 35 East Garfield Park 34 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 2026-08-08T02:58 UTC.