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  4. Cook County

Cook County

Illinois

2026-06-28 20:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
105
PM10
μg/m³
16.5
PM2.5
μg/m³
9
Weather
  • ℃
  • ℉
28℃
76%
9 kph
5 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Barrington Township
AQI 17
Berwyn Township
AQI 14
Bloom Township
AQI 14
Bremen Township
AQI 17
Calumet Township
AQI 16
Chicago
AQI 117
Cicero Township
AQI 95
Elk Grove Township
AQI 18
Evanston Township
AQI 143
Hanover Township
AQI 17
Lemont Township
AQI 84
Leyden Township
AQI 95
Lyons Township
AQI 12
Maine Township
AQI 117
New Trier Township
AQI 18
Niles Township
AQI 17
Northfield Township
AQI 130
Norwood Park Township
AQI 21
Oak Park Township
AQI 17
Orland Township
AQI 18
Palatine Township
AQI 17
Palos Township
AQI 14
Proviso Township
AQI 17
Rich Township
AQI 11
River Forest Township
AQI 17
Riverside Township
AQI 12
Schaumburg Township
AQI 21
Stickney Township
AQI 12
Thornton Township
AQI 14
Wheeling Township
AQI 17
Worth Township
AQI 97
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 11
Hometown
AQI 11
Oak Lawn
AQI 11
Burbank
AQI 11
Merrionette Park
AQI 18
Bedford Park
AQI 11
Chicago Ridge
AQI 18
Alsip
AQI 97
Calumet Park
AQI 18
Bridgeview
AQI 12
Blue Island
AQI 18