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  4. Cook County

Cook County

Illinois

2026-09-17 14:00
AQI (India)
Good
Pollutants|Pollens
O3
μg/m³
29.7
PM10
μg/m³
8.2
PM2.5
μg/m³
4.6
Weather
  • ℃
  • ℉
21℃
98%
13 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Barrington Township
AQI 8
Berwyn Township
AQI 8
Bloom Township
AQI 11
Bremen Township
AQI 6
Calumet Township
AQI 9
Chicago
AQI 35
Cicero Township
AQI 24
Elk Grove Township
AQI 11
Evanston Township
AQI 45
Hanover Township
AQI 8
Lemont Township
AQI 56
Leyden Township
AQI 15
Lyons Township
AQI 7
Maine Township
AQI 9
New Trier Township
AQI 8
Niles Township
AQI 8
Northfield Township
AQI 22
Norwood Park Township
AQI 16
Oak Park Township
AQI 8
Orland Township
AQI 5
Palatine Township
AQI 8
Palos Township
AQI 7
Proviso Township
AQI 12
Rich Township
AQI 11
River Forest Township
AQI 8
Riverside Township
AQI 7
Schaumburg Township
AQI 16
Stickney Township
AQI 6
Thornton Township
AQI 10
Wheeling Township
AQI 8
Worth Township
AQI 50
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 5
Hometown
AQI 5
Oak Lawn
AQI 5
Burbank
AQI 5
Merrionette Park
AQI 5
Bedford Park
AQI 5
Chicago Ridge
AQI 5
Alsip
AQI 50
Calumet Park
AQI 5
Bridgeview
AQI 7
Blue Island
AQI 5