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  4. Cook County

Cook County

Illinois

2026-05-20 06:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
51.5
PM10
μg/m³
7.1
PM2.5
μg/m³
3
Weather
  • ℃
  • ℉
16℃
79%
20 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Barrington Township
AQI 5
Berwyn Township
AQI 7
Bloom Township
AQI 11
Bremen Township
AQI 11
Calumet Township
AQI 11
Chicago
AQI 16
Cicero Township
AQI 15
Elk Grove Township
AQI 5
Evanston Township
AQI 19
Hanover Township
AQI 5
Lemont Township
AQI 7
Leyden Township
AQI 15
Lyons Township
AQI 7
Maine Township
AQI 18
New Trier Township
AQI 5
Niles Township
AQI 5
Northfield Township
AQI 19
Norwood Park Township
AQI 7
Oak Park Township
AQI 7
Orland Township
AQI 9
Palatine Township
AQI 5
Palos Township
AQI 7
Proviso Township
AQI 7
Rich Township
AQI 11
River Forest Township
AQI 7
Riverside Township
AQI 7
Schaumburg Township
AQI 5
Stickney Township
AQI 7
Thornton Township
AQI 11
Wheeling Township
AQI 5
Worth Township
AQI 15
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 11
Hometown
AQI 7
Oak Lawn
AQI 7
Burbank
AQI 7
Merrionette Park
AQI 11
Bedford Park
AQI 7
Chicago Ridge
AQI 7
Alsip
AQI 15
Calumet Park
AQI 11
Bridgeview
AQI 7
Blue Island
AQI 11