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  4. Cook County

Cook County

Illinois

2026-09-08 20:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
126.5
PM10
μg/m³
28.1
PM2.5
μg/m³
8
Weather
  • ℃
  • ℉
29℃
54%
15 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Barrington Township
AQI 30
Berwyn Township
AQI 11
Bloom Township
AQI 18
Bremen Township
AQI 12
Calumet Township
AQI 18
Chicago
AQI 42
Cicero Township
AQI 37
Elk Grove Township
AQI 30
Evanston Township
AQI 47
Hanover Township
AQI 30
Lemont Township
AQI 38
Leyden Township
AQI 36
Lyons Township
AQI 12
Maine Township
AQI 42
New Trier Township
AQI 30
Niles Township
AQI 30
Northfield Township
AQI 41
Norwood Park Township
AQI 30
Oak Park Township
AQI 30
Orland Township
AQI 12
Palatine Township
AQI 30
Palos Township
AQI 12
Proviso Township
AQI 30
Rich Township
AQI 12
River Forest Township
AQI 30
Riverside Township
AQI 12
Schaumburg Township
AQI 30
Stickney Township
AQI 11
Thornton Township
AQI 18
Wheeling Township
AQI 30
Worth Township
AQI 37
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 11
Hometown
AQI 11
Oak Lawn
AQI 11
Burbank
AQI 11
Merrionette Park
AQI 12
Bedford Park
AQI 11
Chicago Ridge
AQI 12
Alsip
AQI 37
Calumet Park
AQI 12
Bridgeview
AQI 12
Blue Island
AQI 12