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  4. Cook County

Cook County

Illinois

2026-09-08 08:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
5.7
O3
μg/m³
46.8
PM10
μg/m³
13.4
Weather
  • ℃
  • ℉
19℃
74%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
Places included
Barrington Township
AQI 25
Berwyn Township
AQI 32
Bloom Township
AQI 33
Bremen Township
AQI 34
Calumet Township
AQI 34
Chicago
AQI 27
Cicero Township
AQI 29
Elk Grove Township
AQI 33
Evanston Township
AQI 31
Hanover Township
AQI 25
Lemont Township
AQI 35
Leyden Township
AQI 37
Lyons Township
AQI 35
Maine Township
AQI 28
New Trier Township
AQI 28
Niles Township
AQI 29
Northfield Township
AQI 29
Norwood Park Township
AQI 39
Oak Park Township
AQI 32
Orland Township
AQI 34
Palatine Township
AQI 26
Palos Township
AQI 35
Proviso Township
AQI 36
Rich Township
AQI 33
River Forest Township
AQI 32
Riverside Township
AQI 35
Schaumburg Township
AQI 39
Stickney Township
AQI 33
Thornton Township
AQI 32
Wheeling Township
AQI 27
Worth Township
AQI 32
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 30
Hometown
AQI 30
Oak Lawn
AQI 30
Burbank
AQI 30
Merrionette Park
AQI 34
Bedford Park
AQI 30
Chicago Ridge
AQI 34
Alsip
AQI 30
Calumet Park
AQI 34
Bridgeview
AQI 35
Blue Island
AQI 34