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  4. Cook County

Cook County

Illinois

2026-05-16 09:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
6.7
O3
μg/m³
74.4
PM10
μg/m³
20.8
Weather
  • ℃
  • ℉
18℃
82%
13 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
Places included
Barrington Township
AQI 30
Berwyn Township
AQI 37
Bloom Township
AQI 37
Bremen Township
AQI 34
Calumet Township
AQI 35
Chicago
AQI 51
Cicero Township
AQI 40
Elk Grove Township
AQI 41
Evanston Township
AQI 36
Hanover Township
AQI 30
Lemont Township
AQI 36
Leyden Township
AQI 44
Lyons Township
AQI 39
Maine Township
AQI 38
New Trier Township
AQI 32
Niles Township
AQI 38
Northfield Township
AQI 38
Norwood Park Township
AQI 44
Oak Park Township
AQI 37
Orland Township
AQI 34
Palatine Township
AQI 36
Palos Township
AQI 37
Proviso Township
AQI 40
Rich Township
AQI 37
River Forest Township
AQI 37
Riverside Township
AQI 38
Schaumburg Township
AQI 44
Stickney Township
AQI 38
Thornton Township
AQI 41
Wheeling Township
AQI 39
Worth Township
AQI 35
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 37
Hometown
AQI 37
Oak Lawn
AQI 37
Burbank
AQI 37
Merrionette Park
AQI 34
Bedford Park
AQI 37
Chicago Ridge
AQI 34
Alsip
AQI 35
Calumet Park
AQI 34
Bridgeview
AQI 38
Blue Island
AQI 34