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  4. Cook County

Cook County

Illinois

2026-09-08 11:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
6
PM10
μg/m³
16.2
O3
μg/m³
24.7
Weather
  • ℃
  • ℉
19℃
73%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • O3
Places included
Barrington Township
AQI 28
Berwyn Township
AQI 37
Bloom Township
AQI 33
Bremen Township
AQI 37
Calumet Township
AQI 36
Chicago
AQI 28
Cicero Township
AQI 37
Elk Grove Township
AQI 32
Evanston Township
AQI 38
Hanover Township
AQI 28
Lemont Township
AQI 26
Leyden Township
AQI 39
Lyons Township
AQI 41
Maine Township
AQI 24
New Trier Township
AQI 38
Niles Township
AQI 25
Northfield Township
AQI 33
Norwood Park Township
AQI 41
Oak Park Township
AQI 37
Orland Township
AQI 37
Palatine Township
AQI 25
Palos Township
AQI 40
Proviso Township
AQI 40
Rich Township
AQI 33
River Forest Township
AQI 37
Riverside Township
AQI 41
Schaumburg Township
AQI 41
Stickney Township
AQI 34
Thornton Township
AQI 32
Wheeling Township
AQI 24
Worth Township
AQI 33
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 27
Hometown
AQI 27
Oak Lawn
AQI 27
Burbank
AQI 27
Merrionette Park
AQI 37
Bedford Park
AQI 27
Chicago Ridge
AQI 37
Alsip
AQI 37
Calumet Park
AQI 37
Bridgeview
AQI 41
Blue Island
AQI 37