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  4. Cook County

Cook County

Illinois

2026-05-25 06:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
18.9
O3
μg/m³
45.1
PM10
μg/m³
16
Weather
  • ℃
  • ℉
14℃
93%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
Places included
Barrington Township
AQI 65
Berwyn Township
AQI 67
Bloom Township
AQI 72
Bremen Township
AQI 71
Calumet Township
AQI 71
Chicago
AQI 73
Cicero Township
AQI 67
Elk Grove Township
AQI 68
Evanston Township
AQI 54
Hanover Township
AQI 65
Lemont Township
AQI 68
Leyden Township
AQI 69
Lyons Township
AQI 84
Maine Township
AQI 65
New Trier Township
AQI 54
Niles Township
AQI 65
Northfield Township
AQI 58
Norwood Park Township
AQI 70
Oak Park Township
AQI 67
Orland Township
AQI 71
Palatine Township
AQI 65
Palos Township
AQI 80
Proviso Township
AQI 75
Rich Township
AQI 72
River Forest Township
AQI 67
Riverside Township
AQI 84
Schaumburg Township
AQI 70
Stickney Township
AQI 81
Thornton Township
AQI 73
Wheeling Township
AQI 65
Worth Township
AQI 74
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 78
Hometown
AQI 78
Oak Lawn
AQI 78
Burbank
AQI 78
Merrionette Park
AQI 71
Bedford Park
AQI 78
Chicago Ridge
AQI 71
Alsip
AQI 71
Calumet Park
AQI 71
Bridgeview
AQI 84
Blue Island
AQI 71