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  4. Cook County

Cook County

Illinois

2026-09-12 03:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
60.8
PM10
μg/m³
13.8
PM2.5
μg/m³
7.8
Weather
  • ℃
  • ℉
22℃
74%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Barrington Township
AQI 14
Berwyn Township
AQI 12
Bloom Township
AQI 13
Bremen Township
AQI 13
Calumet Township
AQI 13
Chicago
AQI 25
Cicero Township
AQI 12
Elk Grove Township
AQI 14
Evanston Township
AQI 28
Hanover Township
AQI 14
Lemont Township
AQI 19
Leyden Township
AQI 14
Lyons Township
AQI 15
Maine Township
AQI 23
New Trier Township
AQI 14
Niles Township
AQI 14
Northfield Township
AQI 25
Norwood Park Township
AQI 14
Oak Park Township
AQI 14
Orland Township
AQI 14
Palatine Township
AQI 14
Palos Township
AQI 15
Proviso Township
AQI 14
Rich Township
AQI 9
River Forest Township
AQI 14
Riverside Township
AQI 15
Schaumburg Township
AQI 14
Stickney Township
AQI 13
Thornton Township
AQI 13
Wheeling Township
AQI 14
Worth Township
AQI 18
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 11
Hometown
AQI 11
Oak Lawn
AQI 11
Burbank
AQI 11
Merrionette Park
AQI 14
Bedford Park
AQI 11
Chicago Ridge
AQI 14
Alsip
AQI 18
Calumet Park
AQI 14
Bridgeview
AQI 15
Blue Island
AQI 14