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  4. Cook County

Cook County

Illinois

2026-09-17 11:00
AQI (India)
Good
Pollutants|Pollens
O3
μg/m³
29.2
PM10
μg/m³
13.7
PM2.5
μg/m³
7.1
Weather
  • ℃
  • ℉
21℃
97%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Barrington Township
AQI 18
Berwyn Township
AQI 14
Bloom Township
AQI 17
Bremen Township
AQI 16
Calumet Township
AQI 16
Chicago
AQI 24
Cicero Township
AQI 14
Elk Grove Township
AQI 18
Evanston Township
AQI 56
Hanover Township
AQI 18
Lemont Township
AQI 71
Leyden Township
AQI 16
Lyons Township
AQI 10
Maine Township
AQI 18
New Trier Township
AQI 18
Niles Township
AQI 18
Northfield Township
AQI 26
Norwood Park Township
AQI 14
Oak Park Township
AQI 14
Orland Township
AQI 12
Palatine Township
AQI 18
Palos Township
AQI 11
Proviso Township
AQI 13
Rich Township
AQI 17
River Forest Township
AQI 14
Riverside Township
AQI 10
Schaumburg Township
AQI 18
Stickney Township
AQI 11
Thornton Township
AQI 16
Wheeling Township
AQI 18
Worth Township
AQI 45
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 16
Hometown
AQI 11
Oak Lawn
AQI 11
Burbank
AQI 11
Merrionette Park
AQI 16
Bedford Park
AQI 11
Chicago Ridge
AQI 12
Alsip
AQI 45
Calumet Park
AQI 16
Bridgeview
AQI 10
Blue Island
AQI 16