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  4. Cook County

Cook County

Illinois

2026-06-04 11:00
AQI (India)
Good
Pollutants|Pollens
PM10
μg/m³
40.7
O3
μg/m³
31.2
PM2.5
μg/m³
9.7
Weather
  • ℃
  • ℉
20℃
72%
5 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • PM10
  • O3
  • PM2.5
Places included
Barrington Township
AQI 21
Berwyn Township
AQI 55
Bloom Township
AQI 45
Bremen Township
AQI 47
Calumet Township
AQI 45
Chicago
AQI 45
Cicero Township
AQI 55
Elk Grove Township
AQI 21
Evanston Township
AQI 65
Hanover Township
AQI 21
Lemont Township
AQI 56
Leyden Township
AQI 50
Lyons Township
AQI 55
Maine Township
AQI 21
New Trier Township
AQI 21
Niles Township
AQI 21
Northfield Township
AQI 48
Norwood Park Township
AQI 55
Oak Park Township
AQI 55
Orland Township
AQI 52
Palatine Township
AQI 21
Palos Township
AQI 55
Proviso Township
AQI 55
Rich Township
AQI 45
River Forest Township
AQI 55
Riverside Township
AQI 55
Schaumburg Township
AQI 21
Stickney Township
AQI 55
Thornton Township
AQI 45
Wheeling Township
AQI 21
Worth Township
AQI 53
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 45
Hometown
AQI 55
Oak Lawn
AQI 55
Burbank
AQI 55
Merrionette Park
AQI 45
Bedford Park
AQI 55
Chicago Ridge
AQI 55
Alsip
AQI 55
Calumet Park
AQI 45
Bridgeview
AQI 55
Blue Island
AQI 45