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  4. Cook County

Cook County

Illinois

2026-05-23 09:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
62
PM2.5
μg/m³
4.2
PM10
μg/m³
12.9
Weather
  • ℃
  • ℉
13℃
95%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
Places included
Barrington Township
AQI 21
Berwyn Township
AQI 24
Bloom Township
AQI 32
Bremen Township
AQI 22
Calumet Township
AQI 25
Chicago
AQI 30
Cicero Township
AQI 26
Elk Grove Township
AQI 22
Evanston Township
AQI 32
Hanover Township
AQI 21
Lemont Township
AQI 23
Leyden Township
AQI 23
Lyons Township
AQI 27
Maine Township
AQI 29
New Trier Township
AQI 22
Niles Township
AQI 21
Northfield Township
AQI 31
Norwood Park Township
AQI 24
Oak Park Township
AQI 24
Orland Township
AQI 21
Palatine Township
AQI 21
Palos Township
AQI 25
Proviso Township
AQI 25
Rich Township
AQI 32
River Forest Township
AQI 24
Riverside Township
AQI 28
Schaumburg Township
AQI 24
Stickney Township
AQI 26
Thornton Township
AQI 29
Wheeling Township
AQI 21
Worth Township
AQI 28
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 24
Hometown
AQI 24
Oak Lawn
AQI 24
Burbank
AQI 24
Merrionette Park
AQI 21
Bedford Park
AQI 24
Chicago Ridge
AQI 21
Alsip
AQI 28
Calumet Park
AQI 21
Bridgeview
AQI 28
Blue Island
AQI 21