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  3. Illinois
  4. Cook County

Cook County

Illinois

2026-05-23 21:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
84.6
PM2.5
μg/m³
5.6
PM10
μg/m³
9
Weather
  • ℃
  • ℉
20℃
76%
20 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
Places included
Barrington Township
AQI 23
Berwyn Township
AQI 32
Bloom Township
AQI 44
Bremen Township
AQI 38
Calumet Township
AQI 39
Chicago
AQI 36
Cicero Township
AQI 34
Elk Grove Township
AQI 26
Evanston Township
AQI 38
Hanover Township
AQI 23
Lemont Township
AQI 45
Leyden Township
AQI 33
Lyons Township
AQI 35
Maine Township
AQI 35
New Trier Township
AQI 32
Niles Township
AQI 26
Northfield Township
AQI 38
Norwood Park Township
AQI 27
Oak Park Township
AQI 32
Orland Township
AQI 37
Palatine Township
AQI 24
Palos Township
AQI 35
Proviso Township
AQI 31
Rich Township
AQI 44
River Forest Township
AQI 32
Riverside Township
AQI 35
Schaumburg Township
AQI 27
Stickney Township
AQI 31
Thornton Township
AQI 44
Wheeling Township
AQI 24
Worth Township
AQI 38
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 27
Hometown
AQI 27
Oak Lawn
AQI 27
Burbank
AQI 27
Merrionette Park
AQI 37
Bedford Park
AQI 27
Chicago Ridge
AQI 37
Alsip
AQI 38
Calumet Park
AQI 37
Bridgeview
AQI 35
Blue Island
AQI 37