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  4. Cook County

Cook County

Illinois

2026-05-24 03:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
71.7
PM10
μg/m³
13
PM2.5
μg/m³
8
Weather
  • ℃
  • ℉
14℃
88%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Barrington Township
AQI 13
Berwyn Township
AQI 14
Bloom Township
AQI 13
Bremen Township
AQI 10
Calumet Township
AQI 11
Chicago
AQI 25
Cicero Township
AQI 21
Elk Grove Township
AQI 13
Evanston Township
AQI 27
Hanover Township
AQI 13
Lemont Township
AQI 21
Leyden Township
AQI 15
Lyons Township
AQI 12
Maine Township
AQI 25
New Trier Township
AQI 13
Niles Township
AQI 13
Northfield Township
AQI 27
Norwood Park Township
AQI 14
Oak Park Township
AQI 14
Orland Township
AQI 10
Palatine Township
AQI 13
Palos Township
AQI 11
Proviso Township
AQI 13
Rich Township
AQI 13
River Forest Township
AQI 14
Riverside Township
AQI 12
Schaumburg Township
AQI 14
Stickney Township
AQI 12
Thornton Township
AQI 13
Wheeling Township
AQI 13
Worth Township
AQI 22
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 10
Bedford Park
AQI 12
Chicago Ridge
AQI 10
Alsip
AQI 22
Calumet Park
AQI 10
Bridgeview
AQI 12
Blue Island
AQI 10