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  4. Cook County

Cook County

Illinois

2026-09-14 14:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
14.8
O3
μg/m³
34.7
PM2.5
μg/m³
5.8
Weather
  • ℃
  • ℉
20℃
63%
13 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
Places included
Barrington Township
AQI 15
Berwyn Township
AQI 11
Bloom Township
AQI 14
Bremen Township
AQI 10
Calumet Township
AQI 14
Chicago
AQI 14
Cicero Township
AQI 11
Elk Grove Township
AQI 15
Evanston Township
AQI 15
Hanover Township
AQI 15
Lemont Township
AQI 11
Leyden Township
AQI 15
Lyons Township
AQI 12
Maine Township
AQI 15
New Trier Township
AQI 15
Niles Township
AQI 15
Northfield Township
AQI 15
Norwood Park Township
AQI 15
Oak Park Township
AQI 15
Orland Township
AQI 10
Palatine Township
AQI 15
Palos Township
AQI 12
Proviso Township
AQI 15
Rich Township
AQI 8
River Forest Township
AQI 15
Riverside Township
AQI 12
Schaumburg Township
AQI 15
Stickney Township
AQI 11
Thornton Township
AQI 14
Wheeling Township
AQI 15
Worth Township
AQI 11
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 9
Hometown
AQI 9
Oak Lawn
AQI 9
Burbank
AQI 9
Merrionette Park
AQI 10
Bedford Park
AQI 9
Chicago Ridge
AQI 10
Alsip
AQI 11
Calumet Park
AQI 10
Bridgeview
AQI 12
Blue Island
AQI 10