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  4. Cook County

Cook County

Illinois

2026-09-17 08:00
AQI (India)
Good
Pollutants|Pollens
O3
μg/m³
39.1
PM10
μg/m³
10.5
PM2.5
μg/m³
6.2
Weather
  • ℃
  • ℉
20℃
95%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Barrington Township
AQI 9
Berwyn Township
AQI 9
Bloom Township
AQI 16
Bremen Township
AQI 20
Calumet Township
AQI 18
Chicago
AQI 39
Cicero Township
AQI 33
Elk Grove Township
AQI 9
Evanston Township
AQI 65
Hanover Township
AQI 9
Lemont Township
AQI 20
Leyden Township
AQI 28
Lyons Township
AQI 9
Maine Township
AQI 52
New Trier Township
AQI 9
Niles Township
AQI 9
Northfield Township
AQI 52
Norwood Park Township
AQI 11
Oak Park Township
AQI 9
Orland Township
AQI 20
Palatine Township
AQI 9
Palos Township
AQI 12
Proviso Township
AQI 10
Rich Township
AQI 16
River Forest Township
AQI 9
Riverside Township
AQI 9
Schaumburg Township
AQI 11
Stickney Township
AQI 11
Thornton Township
AQI 16
Wheeling Township
AQI 9
Worth Township
AQI 28
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 16
Hometown
AQI 13
Oak Lawn
AQI 13
Burbank
AQI 13
Merrionette Park
AQI 20
Bedford Park
AQI 13
Chicago Ridge
AQI 20
Alsip
AQI 28
Calumet Park
AQI 20
Bridgeview
AQI 9
Blue Island
AQI 20