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  4. Cook County

Cook County

Illinois

2026-06-25 07:00
AQI (India)
Good
Pollutants|Pollens
O3
μg/m³
42.3
PM10
μg/m³
17.5
PM2.5
μg/m³
7.1
Weather
  • ℃
  • ℉
17℃
97%
8 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Barrington Township
AQI 17
Berwyn Township
AQI 18
Bloom Township
AQI 18
Bremen Township
AQI 18
Calumet Township
AQI 18
Chicago
AQI 43
Cicero Township
AQI 43
Elk Grove Township
AQI 17
Evanston Township
AQI 58
Hanover Township
AQI 17
Lemont Township
AQI 67
Leyden Township
AQI 17
Lyons Township
AQI 18
Maine Township
AQI 35
New Trier Township
AQI 18
Niles Township
AQI 17
Northfield Township
AQI 48
Norwood Park Township
AQI 17
Oak Park Township
AQI 17
Orland Township
AQI 18
Palatine Township
AQI 17
Palos Township
AQI 18
Proviso Township
AQI 17
Rich Township
AQI 18
River Forest Township
AQI 17
Riverside Township
AQI 18
Schaumburg Township
AQI 17
Stickney Township
AQI 18
Thornton Township
AQI 21
Wheeling Township
AQI 17
Worth Township
AQI 33
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 18
Hometown
AQI 18
Oak Lawn
AQI 18
Burbank
AQI 18
Merrionette Park
AQI 18
Bedford Park
AQI 18
Chicago Ridge
AQI 18
Alsip
AQI 33
Calumet Park
AQI 18
Bridgeview
AQI 18
Blue Island
AQI 18