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  4. Cook County

Cook County

Illinois

2026-09-12 08:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
6.2
O3
μg/m³
50.6
PM10
μg/m³
16.4
Weather
  • ℃
  • ℉
20℃
86%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
Places included
Barrington Township
AQI 37
Berwyn Township
AQI 36
Bloom Township
AQI 34
Bremen Township
AQI 35
Calumet Township
AQI 35
Chicago
AQI 32
Cicero Township
AQI 36
Elk Grove Township
AQI 34
Evanston Township
AQI 34
Hanover Township
AQI 37
Lemont Township
AQI 32
Leyden Township
AQI 39
Lyons Township
AQI 40
Maine Township
AQI 28
New Trier Township
AQI 34
Niles Township
AQI 29
Northfield Township
AQI 32
Norwood Park Township
AQI 40
Oak Park Township
AQI 36
Orland Township
AQI 35
Palatine Township
AQI 31
Palos Township
AQI 39
Proviso Township
AQI 40
Rich Township
AQI 34
River Forest Township
AQI 36
Riverside Township
AQI 40
Schaumburg Township
AQI 40
Stickney Township
AQI 37
Thornton Township
AQI 33
Wheeling Township
AQI 28
Worth Township
AQI 34
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 33
Hometown
AQI 33
Oak Lawn
AQI 33
Burbank
AQI 33
Merrionette Park
AQI 35
Bedford Park
AQI 33
Chicago Ridge
AQI 35
Alsip
AQI 35
Calumet Park
AQI 35
Bridgeview
AQI 40
Blue Island
AQI 35