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  4. Cook County

Cook County

Illinois

2026-09-12 22:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
104.2
PM10
μg/m³
15.7
PM2.5
μg/m³
7.7
Weather
  • ℃
  • ℉
30℃
57%
15 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Barrington Township
AQI 16
Berwyn Township
AQI 12
Bloom Township
AQI 14
Bremen Township
AQI 12
Calumet Township
AQI 14
Chicago
AQI 35
Cicero Township
AQI 34
Elk Grove Township
AQI 16
Evanston Township
AQI 36
Hanover Township
AQI 16
Lemont Township
AQI 35
Leyden Township
AQI 23
Lyons Township
AQI 11
Maine Township
AQI 33
New Trier Township
AQI 16
Niles Township
AQI 16
Northfield Township
AQI 34
Norwood Park Township
AQI 16
Oak Park Township
AQI 16
Orland Township
AQI 12
Palatine Township
AQI 16
Palos Township
AQI 11
Proviso Township
AQI 16
Rich Township
AQI 11
River Forest Township
AQI 16
Riverside Township
AQI 11
Schaumburg Township
AQI 16
Stickney Township
AQI 11
Thornton Township
AQI 14
Wheeling Township
AQI 16
Worth Township
AQI 35
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 12
Hometown
AQI 12
Oak Lawn
AQI 12
Burbank
AQI 12
Merrionette Park
AQI 12
Bedford Park
AQI 12
Chicago Ridge
AQI 12
Alsip
AQI 35
Calumet Park
AQI 12
Bridgeview
AQI 11
Blue Island
AQI 12