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  4. Cook County

Cook County

Illinois

2026-05-17 07:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
7.3
O3
μg/m³
82.8
PM10
μg/m³
12.8
Weather
  • ℃
  • ℉
20℃
87%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
Places included
Barrington Township
AQI 37
Berwyn Township
AQI 39
Bloom Township
AQI 54
Bremen Township
AQI 48
Calumet Township
AQI 50
Chicago
AQI 52
Cicero Township
AQI 39
Elk Grove Township
AQI 38
Evanston Township
AQI 41
Hanover Township
AQI 37
Lemont Township
AQI 34
Leyden Township
AQI 44
Lyons Township
AQI 38
Maine Township
AQI 38
New Trier Township
AQI 30
Niles Township
AQI 32
Northfield Township
AQI 41
Norwood Park Township
AQI 45
Oak Park Township
AQI 39
Orland Township
AQI 46
Palatine Township
AQI 32
Palos Township
AQI 40
Proviso Township
AQI 41
Rich Township
AQI 54
River Forest Township
AQI 39
Riverside Township
AQI 38
Schaumburg Township
AQI 45
Stickney Township
AQI 40
Thornton Township
AQI 54
Wheeling Township
AQI 30
Worth Township
AQI 45
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 43
Hometown
AQI 43
Oak Lawn
AQI 43
Burbank
AQI 43
Merrionette Park
AQI 46
Bedford Park
AQI 43
Chicago Ridge
AQI 46
Alsip
AQI 46
Calumet Park
AQI 46
Bridgeview
AQI 38
Blue Island
AQI 46