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  4. Cook County

Cook County

Illinois

2026-09-13 04:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
23.2
O3
μg/m³
52.5
PM2.5
μg/m³
9.9
Weather
  • ℃
  • ℉
24℃
81%
13 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
Places included
Barrington Township
AQI 25
Berwyn Township
AQI 14
Bloom Township
AQI 13
Bremen Township
AQI 16
Calumet Township
AQI 15
Chicago
AQI 21
Cicero Township
AQI 17
Elk Grove Township
AQI 25
Evanston Township
AQI 25
Hanover Township
AQI 25
Lemont Township
AQI 17
Leyden Township
AQI 25
Lyons Township
AQI 14
Maine Township
AQI 25
New Trier Township
AQI 25
Niles Township
AQI 25
Northfield Township
AQI 27
Norwood Park Township
AQI 25
Oak Park Township
AQI 25
Orland Township
AQI 16
Palatine Township
AQI 25
Palos Township
AQI 15
Proviso Township
AQI 25
Rich Township
AQI 13
River Forest Township
AQI 25
Riverside Township
AQI 14
Schaumburg Township
AQI 25
Stickney Township
AQI 13
Thornton Township
AQI 14
Wheeling Township
AQI 25
Worth Township
AQI 15
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 16
Bedford Park
AQI 13
Chicago Ridge
AQI 16
Alsip
AQI 17
Calumet Park
AQI 16
Bridgeview
AQI 14
Blue Island
AQI 16