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  4. Cook County

Cook County

Illinois

2026-09-20 12:00
AQI (India)
Good
Pollutants|Pollens
O3
μg/m³
42.1
PM10
μg/m³
14.3
PM2.5
μg/m³
2.7
Weather
  • ℃
  • ℉
20℃
97%
24 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Barrington Township
AQI 6
Berwyn Township
AQI 20
Bloom Township
AQI 11
Bremen Township
AQI 20
Calumet Township
AQI 20
Chicago
AQI 35
Cicero Township
AQI 33
Elk Grove Township
AQI 6
Evanston Township
AQI 54
Hanover Township
AQI 6
Lemont Township
AQI 58
Leyden Township
AQI 30
Lyons Township
AQI 20
Maine Township
AQI 48
New Trier Township
AQI 6
Niles Township
AQI 6
Northfield Township
AQI 52
Norwood Park Township
AQI 20
Oak Park Township
AQI 20
Orland Township
AQI 20
Palatine Township
AQI 6
Palos Township
AQI 20
Proviso Township
AQI 20
Rich Township
AQI 11
River Forest Township
AQI 20
Riverside Township
AQI 20
Schaumburg Township
AQI 6
Stickney Township
AQI 20
Thornton Township
AQI 14
Wheeling Township
AQI 6
Worth Township
AQI 30
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 20
Hometown
AQI 20
Oak Lawn
AQI 20
Burbank
AQI 20
Merrionette Park
AQI 20
Bedford Park
AQI 20
Chicago Ridge
AQI 20
Alsip
AQI 30
Calumet Park
AQI 20
Bridgeview
AQI 20
Blue Island
AQI 20