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  4. Cook County

Cook County

Illinois

2026-09-12 07:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
6.1
O3
μg/m³
50.6
PM10
μg/m³
15.2
Weather
  • ℃
  • ℉
20℃
84%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
Places included
Barrington Township
AQI 35
Berwyn Township
AQI 32
Bloom Township
AQI 33
Bremen Township
AQI 37
Calumet Township
AQI 36
Chicago
AQI 32
Cicero Township
AQI 36
Elk Grove Township
AQI 33
Evanston Township
AQI 35
Hanover Township
AQI 35
Lemont Township
AQI 35
Leyden Township
AQI 37
Lyons Township
AQI 40
Maine Township
AQI 29
New Trier Township
AQI 35
Niles Township
AQI 30
Northfield Township
AQI 33
Norwood Park Township
AQI 37
Oak Park Township
AQI 32
Orland Township
AQI 37
Palatine Township
AQI 31
Palos Township
AQI 39
Proviso Township
AQI 37
Rich Township
AQI 33
River Forest Township
AQI 32
Riverside Township
AQI 40
Schaumburg Township
AQI 37
Stickney Township
AQI 35
Thornton Township
AQI 33
Wheeling Township
AQI 29
Worth Township
AQI 34
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 29
Hometown
AQI 29
Oak Lawn
AQI 29
Burbank
AQI 29
Merrionette Park
AQI 37
Bedford Park
AQI 29
Chicago Ridge
AQI 37
Alsip
AQI 35
Calumet Park
AQI 37
Bridgeview
AQI 40
Blue Island
AQI 37