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  4. Cook County

Cook County

Illinois

2026-09-11 07:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
6.9
PM10
μg/m³
21.5
O3
μg/m³
17.9
Weather
  • ℃
  • ℉
18℃
84%
0 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • O3
Places included
Barrington Township
AQI 29
Berwyn Township
AQI 34
Bloom Township
AQI 53
Bremen Township
AQI 44
Calumet Township
AQI 47
Chicago
AQI 36
Cicero Township
AQI 34
Elk Grove Township
AQI 39
Evanston Township
AQI 38
Hanover Township
AQI 29
Lemont Township
AQI 32
Leyden Township
AQI 46
Lyons Township
AQI 50
Maine Township
AQI 27
New Trier Township
AQI 23
Niles Township
AQI 26
Northfield Township
AQI 24
Norwood Park Township
AQI 50
Oak Park Township
AQI 34
Orland Township
AQI 43
Palatine Township
AQI 28
Palos Township
AQI 48
Proviso Township
AQI 47
Rich Township
AQI 53
River Forest Township
AQI 34
Riverside Township
AQI 50
Schaumburg Township
AQI 50
Stickney Township
AQI 49
Thornton Township
AQI 51
Wheeling Township
AQI 27
Worth Township
AQI 45
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 48
Hometown
AQI 48
Oak Lawn
AQI 48
Burbank
AQI 48
Merrionette Park
AQI 43
Bedford Park
AQI 48
Chicago Ridge
AQI 43
Alsip
AQI 43
Calumet Park
AQI 43
Bridgeview
AQI 50
Blue Island
AQI 43