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  4. Cook County

Cook County

Illinois

2026-05-23 07:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
69.6
PM10
μg/m³
14.4
PM2.5
μg/m³
4.2
Weather
  • ℃
  • ℉
14℃
91%
13 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Barrington Township
AQI 12
Berwyn Township
AQI 18
Bloom Township
AQI 11
Bremen Township
AQI 12
Calumet Township
AQI 11
Chicago
AQI 22
Cicero Township
AQI 21
Elk Grove Township
AQI 12
Evanston Township
AQI 27
Hanover Township
AQI 12
Lemont Township
AQI 20
Leyden Township
AQI 19
Lyons Township
AQI 18
Maine Township
AQI 25
New Trier Township
AQI 12
Niles Township
AQI 12
Northfield Township
AQI 27
Norwood Park Township
AQI 18
Oak Park Township
AQI 18
Orland Township
AQI 16
Palatine Township
AQI 12
Palos Township
AQI 18
Proviso Township
AQI 18
Rich Township
AQI 11
River Forest Township
AQI 18
Riverside Township
AQI 18
Schaumburg Township
AQI 12
Stickney Township
AQI 18
Thornton Township
AQI 11
Wheeling Township
AQI 12
Worth Township
AQI 18
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 11
Hometown
AQI 18
Oak Lawn
AQI 18
Burbank
AQI 18
Merrionette Park
AQI 11
Bedford Park
AQI 18
Chicago Ridge
AQI 18
Alsip
AQI 18
Calumet Park
AQI 11
Bridgeview
AQI 18
Blue Island
AQI 11