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  4. Cook County

Cook County

Illinois

2026-05-23 15:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
53.9
PM10
μg/m³
11
PM2.5
μg/m³
5.6
Weather
  • ℃
  • ℉
16℃
87%
11 kph
3 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Barrington Township
AQI 11
Berwyn Township
AQI 8
Bloom Township
AQI 10
Bremen Township
AQI 9
Calumet Township
AQI 10
Chicago
AQI 18
Cicero Township
AQI 16
Elk Grove Township
AQI 11
Evanston Township
AQI 20
Hanover Township
AQI 11
Lemont Township
AQI 19
Leyden Township
AQI 12
Lyons Township
AQI 8
Maine Township
AQI 18
New Trier Township
AQI 11
Niles Township
AQI 11
Northfield Township
AQI 19
Norwood Park Township
AQI 11
Oak Park Township
AQI 11
Orland Township
AQI 9
Palatine Township
AQI 11
Palos Township
AQI 8
Proviso Township
AQI 11
Rich Township
AQI 10
River Forest Township
AQI 11
Riverside Township
AQI 8
Schaumburg Township
AQI 11
Stickney Township
AQI 11
Thornton Township
AQI 10
Wheeling Township
AQI 11
Worth Township
AQI 17
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 13
Hometown
AQI 13
Oak Lawn
AQI 13
Burbank
AQI 13
Merrionette Park
AQI 9
Bedford Park
AQI 13
Chicago Ridge
AQI 9
Alsip
AQI 17
Calumet Park
AQI 9
Bridgeview
AQI 8
Blue Island
AQI 9