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  4. Cook County

Cook County

Illinois

2026-09-20 01:00
AQI (India)
Good
Pollutants|Pollens
PM10
μg/m³
28.3
O3
μg/m³
21.2
PM2.5
μg/m³
12.6
Weather
  • ℃
  • ℉
20℃
95%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • PM10
  • O3
  • PM2.5
Places included
Barrington Township
AQI 30
Berwyn Township
AQI 23
Bloom Township
AQI 27
Bremen Township
AQI 19
Calumet Township
AQI 21
Chicago
AQI 23
Cicero Township
AQI 23
Elk Grove Township
AQI 30
Evanston Township
AQI 45
Hanover Township
AQI 30
Lemont Township
AQI 20
Leyden Township
AQI 30
Lyons Township
AQI 14
Maine Township
AQI 43
New Trier Township
AQI 32
Niles Township
AQI 30
Northfield Township
AQI 35
Norwood Park Township
AQI 30
Oak Park Township
AQI 30
Orland Township
AQI 18
Palatine Township
AQI 30
Palos Township
AQI 15
Proviso Township
AQI 30
Rich Township
AQI 27
River Forest Township
AQI 30
Riverside Township
AQI 14
Schaumburg Township
AQI 30
Stickney Township
AQI 14
Thornton Township
AQI 24
Wheeling Township
AQI 30
Worth Township
AQI 17
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 15
Hometown
AQI 15
Oak Lawn
AQI 15
Burbank
AQI 15
Merrionette Park
AQI 18
Bedford Park
AQI 15
Chicago Ridge
AQI 18
Alsip
AQI 18
Calumet Park
AQI 18
Bridgeview
AQI 14
Blue Island
AQI 18