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  4. Cook County

Cook County

Illinois

2026-05-22 10:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
56.6
PM10
μg/m³
15.3
PM2.5
μg/m³
4.2
Weather
  • ℃
  • ℉
12℃
78%
17 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Barrington Township
AQI 6
Berwyn Township
AQI 18
Bloom Township
AQI 26
Bremen Township
AQI 25
Calumet Township
AQI 26
Chicago
AQI 26
Cicero Township
AQI 18
Elk Grove Township
AQI 6
Evanston Township
AQI 21
Hanover Township
AQI 6
Lemont Township
AQI 18
Leyden Township
AQI 16
Lyons Township
AQI 18
Maine Township
AQI 21
New Trier Township
AQI 6
Niles Township
AQI 6
Northfield Township
AQI 21
Norwood Park Township
AQI 18
Oak Park Township
AQI 18
Orland Township
AQI 21
Palatine Township
AQI 6
Palos Township
AQI 18
Proviso Township
AQI 18
Rich Township
AQI 26
River Forest Township
AQI 18
Riverside Township
AQI 18
Schaumburg Township
AQI 6
Stickney Township
AQI 18
Thornton Township
AQI 26
Wheeling Township
AQI 6
Worth Township
AQI 22
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 26
Hometown
AQI 18
Oak Lawn
AQI 18
Burbank
AQI 18
Merrionette Park
AQI 26
Bedford Park
AQI 18
Chicago Ridge
AQI 18
Alsip
AQI 22
Calumet Park
AQI 26
Bridgeview
AQI 18
Blue Island
AQI 26