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  4. Cook County

Cook County

Illinois

2026-05-19 11:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
70.4
PM10
μg/m³
8.4
PM2.5
μg/m³
5.6
Weather
  • ℃
  • ℉
21℃
86%
39 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Barrington Township
AQI 8
Berwyn Township
AQI 9
Bloom Township
AQI 11
Bremen Township
AQI 10
Calumet Township
AQI 10
Chicago
AQI 24
Cicero Township
AQI 21
Elk Grove Township
AQI 8
Evanston Township
AQI 25
Hanover Township
AQI 8
Lemont Township
AQI 9
Leyden Township
AQI 16
Lyons Township
AQI 10
Maine Township
AQI 23
New Trier Township
AQI 8
Niles Township
AQI 8
Northfield Township
AQI 26
Norwood Park Township
AQI 9
Oak Park Township
AQI 9
Orland Township
AQI 9
Palatine Township
AQI 8
Palos Township
AQI 10
Proviso Township
AQI 9
Rich Township
AQI 11
River Forest Township
AQI 9
Riverside Township
AQI 10
Schaumburg Township
AQI 8
Stickney Township
AQI 10
Thornton Township
AQI 11
Wheeling Township
AQI 8
Worth Township
AQI 23
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 9
Bedford Park
AQI 10
Chicago Ridge
AQI 9
Alsip
AQI 23
Calumet Park
AQI 9
Bridgeview
AQI 10
Blue Island
AQI 9