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  4. Cook County

Cook County

Illinois

2026-05-20 13:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
41.6
PM2.5
μg/m³
2.4
PM10
μg/m³
3
Weather
  • ℃
  • ℉
14℃
71%
26 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
Places included
Barrington Township
AQI 13
Berwyn Township
AQI 15
Bloom Township
AQI 15
Bremen Township
AQI 13
Calumet Township
AQI 13
Chicago
AQI 20
Cicero Township
AQI 17
Elk Grove Township
AQI 15
Evanston Township
AQI 21
Hanover Township
AQI 13
Lemont Township
AQI 13
Leyden Township
AQI 16
Lyons Township
AQI 13
Maine Township
AQI 20
New Trier Township
AQI 9
Niles Township
AQI 13
Northfield Township
AQI 20
Norwood Park Township
AQI 17
Oak Park Township
AQI 15
Orland Township
AQI 13
Palatine Township
AQI 13
Palos Township
AQI 13
Proviso Township
AQI 15
Rich Township
AQI 15
River Forest Township
AQI 15
Riverside Township
AQI 13
Schaumburg Township
AQI 17
Stickney Township
AQI 15
Thornton Township
AQI 15
Wheeling Township
AQI 13
Worth Township
AQI 18
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 16
Hometown
AQI 16
Oak Lawn
AQI 16
Burbank
AQI 16
Merrionette Park
AQI 13
Bedford Park
AQI 16
Chicago Ridge
AQI 13
Alsip
AQI 18
Calumet Park
AQI 13
Bridgeview
AQI 13
Blue Island
AQI 13