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  4. Cook County

Cook County

Illinois

2026-05-19 15:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
72.8
PM10
μg/m³
11
PM2.5
μg/m³
7.6
Weather
  • ℃
  • ℉
24℃
77%
28 kph
6 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Barrington Township
AQI 11
Berwyn Township
AQI 11
Bloom Township
AQI 13
Bremen Township
AQI 10
Calumet Township
AQI 11
Chicago
AQI 24
Cicero Township
AQI 23
Elk Grove Township
AQI 13
Evanston Township
AQI 25
Hanover Township
AQI 11
Lemont Township
AQI 11
Leyden Township
AQI 17
Lyons Township
AQI 11
Maine Township
AQI 24
New Trier Township
AQI 11
Niles Township
AQI 12
Northfield Township
AQI 27
Norwood Park Township
AQI 14
Oak Park Township
AQI 11
Orland Township
AQI 10
Palatine Township
AQI 11
Palos Township
AQI 10
Proviso Township
AQI 12
Rich Township
AQI 13
River Forest Township
AQI 11
Riverside Township
AQI 11
Schaumburg Township
AQI 14
Stickney Township
AQI 11
Thornton Township
AQI 15
Wheeling Township
AQI 11
Worth Township
AQI 23
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 10
Bedford Park
AQI 11
Chicago Ridge
AQI 10
Alsip
AQI 23
Calumet Park
AQI 10
Bridgeview
AQI 11
Blue Island
AQI 10