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  4. Cook County

Cook County

Illinois

2026-09-08 15:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
8.7
PM10
μg/m³
28.4
O3
μg/m³
45
Weather
  • ℃
  • ℉
25℃
71%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • O3
Places included
Barrington Township
AQI 39
Berwyn Township
AQI 47
Bloom Township
AQI 50
Bremen Township
AQI 45
Calumet Township
AQI 46
Chicago
AQI 50
Cicero Township
AQI 47
Elk Grove Township
AQI 50
Evanston Township
AQI 46
Hanover Township
AQI 39
Lemont Township
AQI 43
Leyden Township
AQI 52
Lyons Township
AQI 55
Maine Township
AQI 44
New Trier Township
AQI 46
Niles Township
AQI 47
Northfield Township
AQI 45
Norwood Park Township
AQI 52
Oak Park Township
AQI 47
Orland Township
AQI 44
Palatine Township
AQI 43
Palos Township
AQI 53
Proviso Township
AQI 53
Rich Township
AQI 50
River Forest Township
AQI 47
Riverside Township
AQI 55
Schaumburg Township
AQI 52
Stickney Township
AQI 51
Thornton Township
AQI 50
Wheeling Township
AQI 44
Worth Township
AQI 43
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 43
Hometown
AQI 43
Oak Lawn
AQI 43
Burbank
AQI 43
Merrionette Park
AQI 44
Bedford Park
AQI 43
Chicago Ridge
AQI 44
Alsip
AQI 44
Calumet Park
AQI 44
Bridgeview
AQI 55
Blue Island
AQI 44