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  4. Cook County

Cook County

Illinois

2026-09-08 18:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
98.8
PM10
μg/m³
27.6
PM2.5
μg/m³
7.6
Weather
  • ℃
  • ℉
28℃
55%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Barrington Township
AQI 29
Berwyn Township
AQI 10
Bloom Township
AQI 20
Bremen Township
AQI 12
Calumet Township
AQI 20
Chicago
AQI 35
Cicero Township
AQI 31
Elk Grove Township
AQI 29
Evanston Township
AQI 31
Hanover Township
AQI 29
Lemont Township
AQI 35
Leyden Township
AQI 29
Lyons Township
AQI 12
Maine Township
AQI 33
New Trier Township
AQI 29
Niles Township
AQI 29
Northfield Township
AQI 29
Norwood Park Township
AQI 29
Oak Park Township
AQI 29
Orland Township
AQI 11
Palatine Township
AQI 29
Palos Township
AQI 12
Proviso Township
AQI 29
Rich Township
AQI 12
River Forest Township
AQI 29
Riverside Township
AQI 12
Schaumburg Township
AQI 29
Stickney Township
AQI 12
Thornton Township
AQI 20
Wheeling Township
AQI 29
Worth Township
AQI 31
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 12
Hometown
AQI 12
Oak Lawn
AQI 12
Burbank
AQI 12
Merrionette Park
AQI 11
Bedford Park
AQI 12
Chicago Ridge
AQI 11
Alsip
AQI 31
Calumet Park
AQI 11
Bridgeview
AQI 12
Blue Island
AQI 11