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  4. Cook County

Cook County

Illinois

2026-09-12 23:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
96.8
PM10
μg/m³
16.5
PM2.5
μg/m³
7.7
Weather
  • ℃
  • ℉
28℃
66%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Barrington Township
AQI 17
Berwyn Township
AQI 11
Bloom Township
AQI 14
Bremen Township
AQI 13
Calumet Township
AQI 14
Chicago
AQI 32
Cicero Township
AQI 31
Elk Grove Township
AQI 17
Evanston Township
AQI 33
Hanover Township
AQI 17
Lemont Township
AQI 32
Leyden Township
AQI 21
Lyons Township
AQI 11
Maine Township
AQI 31
New Trier Township
AQI 17
Niles Township
AQI 17
Northfield Township
AQI 33
Norwood Park Township
AQI 17
Oak Park Township
AQI 17
Orland Township
AQI 13
Palatine Township
AQI 17
Palos Township
AQI 11
Proviso Township
AQI 17
Rich Township
AQI 12
River Forest Township
AQI 17
Riverside Township
AQI 11
Schaumburg Township
AQI 17
Stickney Township
AQI 10
Thornton Township
AQI 14
Wheeling Township
AQI 17
Worth Township
AQI 33
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 13
Bedford Park
AQI 10
Chicago Ridge
AQI 13
Alsip
AQI 33
Calumet Park
AQI 13
Bridgeview
AQI 11
Blue Island
AQI 13