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  4. Cook County

Cook County

Illinois

2026-09-11 20:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
102.2
PM10
μg/m³
13.4
PM2.5
μg/m³
6.6
Weather
  • ℃
  • ℉
27℃
55%
20 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Barrington Township
AQI 14
Berwyn Township
AQI 10
Bloom Township
AQI 10
Bremen Township
AQI 12
Calumet Township
AQI 11
Chicago
AQI 37
Cicero Township
AQI 34
Elk Grove Township
AQI 14
Evanston Township
AQI 14
Hanover Township
AQI 14
Lemont Township
AQI 34
Leyden Township
AQI 36
Lyons Township
AQI 11
Maine Township
AQI 41
New Trier Township
AQI 14
Niles Township
AQI 14
Northfield Township
AQI 37
Norwood Park Township
AQI 14
Oak Park Township
AQI 14
Orland Township
AQI 12
Palatine Township
AQI 14
Palos Township
AQI 11
Proviso Township
AQI 14
Rich Township
AQI 10
River Forest Township
AQI 14
Riverside Township
AQI 11
Schaumburg Township
AQI 14
Stickney Township
AQI 10
Thornton Township
AQI 10
Wheeling Township
AQI 14
Worth Township
AQI 35
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 10
Hometown
AQI 10
Oak Lawn
AQI 10
Burbank
AQI 10
Merrionette Park
AQI 12
Bedford Park
AQI 10
Chicago Ridge
AQI 12
Alsip
AQI 35
Calumet Park
AQI 12
Bridgeview
AQI 11
Blue Island
AQI 12