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  4. Cook County

Cook County

Illinois

2026-09-12 16:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
99.4
PM10
μg/m³
15.7
PM2.5
μg/m³
7.8
Weather
  • ℃
  • ℉
29℃
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 13
Bloom Township
AQI 14
Bremen Township
AQI 13
Calumet Township
AQI 14
Chicago
AQI 34
Cicero Township
AQI 29
Elk Grove Township
AQI 16
Evanston Township
AQI 31
Hanover Township
AQI 16
Lemont Township
AQI 31
Leyden Township
AQI 29
Lyons Township
AQI 12
Maine Township
AQI 35
New Trier Township
AQI 16
Niles Township
AQI 16
Northfield Township
AQI 37
Norwood Park Township
AQI 16
Oak Park Township
AQI 16
Orland Township
AQI 13
Palatine Township
AQI 16
Palos Township
AQI 12
Proviso Township
AQI 16
Rich Township
AQI 12
River Forest Township
AQI 16
Riverside Township
AQI 12
Schaumburg Township
AQI 16
Stickney Township
AQI 11
Thornton Township
AQI 14
Wheeling Township
AQI 16
Worth Township
AQI 28
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 10
Hometown
AQI 10
Oak Lawn
AQI 10
Burbank
AQI 10
Merrionette Park
AQI 13
Bedford Park
AQI 10
Chicago Ridge
AQI 13
Alsip
AQI 28
Calumet Park
AQI 13
Bridgeview
AQI 12
Blue Island
AQI 13