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  4. Cook County

Cook County

Illinois

2026-09-08 00:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
79
PM2.5
μg/m³
5.8
PM10
μg/m³
10.2
Weather
  • ℃
  • ℉
23℃
76%
3 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
Places included
Barrington Township
AQI 28
Berwyn Township
AQI 32
Bloom Township
AQI 39
Bremen Township
AQI 34
Calumet Township
AQI 35
Chicago
AQI 35
Cicero Township
AQI 32
Elk Grove Township
AQI 31
Evanston Township
AQI 40
Hanover Township
AQI 28
Lemont Township
AQI 57
Leyden Township
AQI 36
Lyons Township
AQI 32
Maine Township
AQI 38
New Trier Township
AQI 29
Niles Township
AQI 24
Northfield Township
AQI 35
Norwood Park Township
AQI 38
Oak Park Township
AQI 32
Orland Township
AQI 33
Palatine Township
AQI 25
Palos Township
AQI 32
Proviso Township
AQI 35
Rich Township
AQI 39
River Forest Township
AQI 32
Riverside Township
AQI 32
Schaumburg Township
AQI 38
Stickney Township
AQI 30
Thornton Township
AQI 35
Wheeling Township
AQI 24
Worth Township
AQI 35
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 28
Hometown
AQI 28
Oak Lawn
AQI 28
Burbank
AQI 28
Merrionette Park
AQI 33
Bedford Park
AQI 28
Chicago Ridge
AQI 33
Alsip
AQI 35
Calumet Park
AQI 33
Bridgeview
AQI 32
Blue Island
AQI 33