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  4. Cook County

Cook County

Illinois

2026-05-17 03:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
7.5
O3
μg/m³
87.3
PM10
μg/m³
12
Weather
  • ℃
  • ℉
21℃
79%
17 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
Places included
Barrington Township
AQI 59
Berwyn Township
AQI 30
Bloom Township
AQI 44
Bremen Township
AQI 34
Calumet Township
AQI 37
Chicago
AQI 42
Cicero Township
AQI 40
Elk Grove Township
AQI 48
Evanston Township
AQI 42
Hanover Township
AQI 59
Lemont Township
AQI 45
Leyden Township
AQI 50
Lyons Township
AQI 31
Maine Township
AQI 42
New Trier Township
AQI 41
Niles Township
AQI 40
Northfield Township
AQI 41
Norwood Park Township
AQI 51
Oak Park Township
AQI 30
Orland Township
AQI 33
Palatine Township
AQI 51
Palos Township
AQI 32
Proviso Township
AQI 41
Rich Township
AQI 44
River Forest Township
AQI 30
Riverside Township
AQI 31
Schaumburg Township
AQI 51
Stickney Township
AQI 33
Thornton Township
AQI 45
Wheeling Township
AQI 42
Worth Township
AQI 43
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 34
Hometown
AQI 34
Oak Lawn
AQI 34
Burbank
AQI 34
Merrionette Park
AQI 33
Bedford Park
AQI 34
Chicago Ridge
AQI 33
Alsip
AQI 43
Calumet Park
AQI 33
Bridgeview
AQI 31
Blue Island
AQI 33