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  4. Cook County

Cook County

Illinois

2026-06-16 03:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
84.1
PM2.5
μg/m³
4.2
PM10
μg/m³
11
Weather
  • ℃
  • ℉
20℃
64%
3 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
Places included
Barrington Township
AQI 20
Berwyn Township
AQI 23
Bloom Township
AQI 27
Bremen Township
AQI 24
Calumet Township
AQI 25
Chicago
AQI 42
Cicero Township
AQI 27
Elk Grove Township
AQI 24
Evanston Township
AQI 44
Hanover Township
AQI 20
Lemont Township
AQI 40
Leyden Township
AQI 29
Lyons Township
AQI 25
Maine Township
AQI 38
New Trier Township
AQI 17
Niles Township
AQI 18
Northfield Township
AQI 43
Norwood Park Township
AQI 31
Oak Park Township
AQI 23
Orland Township
AQI 24
Palatine Township
AQI 19
Palos Township
AQI 25
Proviso Township
AQI 27
Rich Township
AQI 27
River Forest Township
AQI 23
Riverside Township
AQI 25
Schaumburg Township
AQI 31
Stickney Township
AQI 24
Thornton Township
AQI 33
Wheeling Township
AQI 18
Worth Township
AQI 33
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 23
Hometown
AQI 23
Oak Lawn
AQI 23
Burbank
AQI 23
Merrionette Park
AQI 24
Bedford Park
AQI 23
Chicago Ridge
AQI 24
Alsip
AQI 33
Calumet Park
AQI 24
Bridgeview
AQI 25
Blue Island
AQI 24