Air Quality in West Chicago, United States
Windy
7.3°C · 84.0% humidity
7.3°
Feels 1.9°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
AQI Forecast
27
6am
27
25
18
9am
20
21
22
12pm
25
26
26
3pm
26
27
27
6pm
27
25
25
9pm
25
25
27
12am
27
27
25
3am
25
25
Air Quality Index Trend
47h · 5 stnWest Chicago's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
84.0%
Humidity
47.3 km/h
Wind NNE
1031.3 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.2 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for West Chicago?
Temperature & Precipitation
PM2.5 Trend
47h · 5 stationsPM2.54.2 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX9.4
Very High
Station readings (2 stations within 25 km)
4.2
Median
4.2
Average
3.6
Low
4.8
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +2.0
What is the 7-day forecast for West Chicago?
05-29
28.1° 5.0°
05-30
23.1° 11.7°
0.56 mm
05-31
29.5° 12.5°
06-01
29.6° 14.5°
06-02
21.1° 14.0°
9.81 mm
06-03
29.0° 21.3°
06-04
24.3° 12.5°
Both models agree
Avg diff: 5.0°C
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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 2026-05-29T14:36 UTC.