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  3. Illinois
  4. Cook County

Cook County

Illinois

2025-12-11 11:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
55.7
PM2.5
μg/m³
4.3
PM10
μg/m³
5.7
Weather
  • ℃
  • ℉
-4℃
75%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
Places included
Barrington Township
AQI 20
Berwyn Township
AQI 22
Bloom Township
AQI 26
Bremen Township
AQI 24
Calumet Township
AQI 25
Chicago
AQI 27
Cicero Township
AQI 23
Elk Grove Township
AQI 27
Evanston Township
AQI 18
Hanover Township
AQI 20
Lemont Township
AQI 23
Leyden Township
AQI 28
Lyons Township
AQI 27
Maine Township
AQI 25
New Trier Township
AQI 18
Niles Township
AQI 24
Northfield Township
AQI 25
Norwood Park Township
AQI 29
Oak Park Township
AQI 22
Orland Township
AQI 24
Palatine Township
AQI 23
Palos Township
AQI 26
Proviso Township
AQI 27
Rich Township
AQI 26
River Forest Township
AQI 22
Riverside Township
AQI 27
Schaumburg Township
AQI 29
Stickney Township
AQI 29
Thornton Township
AQI 26
Wheeling Township
AQI 25
Worth Township
AQI 26
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 30
Hometown
AQI 30
Oak Lawn
AQI 30
Burbank
AQI 30
Merrionette Park
AQI 24
Bedford Park
AQI 30
Chicago Ridge
AQI 24
Alsip
AQI 25
Calumet Park
AQI 24
Bridgeview
AQI 27
Blue Island
AQI 24