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  4. Cook County

Cook County

Illinois

2026-09-11 14:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
7
O3
μg/m³
44.9
PM10
μg/m³
13.7
Weather
  • ℃
  • ℉
23℃
66%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
Places included
Barrington Township
AQI 29
Berwyn Township
AQI 41
Bloom Township
AQI 37
Bremen Township
AQI 45
Calumet Township
AQI 43
Chicago
AQI 46
Cicero Township
AQI 41
Elk Grove Township
AQI 43
Evanston Township
AQI 30
Hanover Township
AQI 29
Lemont Township
AQI 36
Leyden Township
AQI 51
Lyons Township
AQI 37
Maine Township
AQI 38
New Trier Township
AQI 28
Niles Township
AQI 45
Northfield Township
AQI 31
Norwood Park Township
AQI 48
Oak Park Township
AQI 41
Orland Township
AQI 47
Palatine Township
AQI 35
Palos Township
AQI 40
Proviso Township
AQI 43
Rich Township
AQI 37
River Forest Township
AQI 41
Riverside Township
AQI 37
Schaumburg Township
AQI 48
Stickney Township
AQI 35
Thornton Township
AQI 38
Wheeling Township
AQI 38
Worth Township
AQI 41
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 33
Hometown
AQI 33
Oak Lawn
AQI 33
Burbank
AQI 33
Merrionette Park
AQI 47
Bedford Park
AQI 33
Chicago Ridge
AQI 47
Alsip
AQI 47
Calumet Park
AQI 47
Bridgeview
AQI 37
Blue Island
AQI 47