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  3. Illinois
  4. Cook County

Cook County

Illinois

2026-05-23 12:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
58.6
PM2.5
μg/m³
4.2
PM10
μg/m³
12.6
Weather
  • ℃
  • ℉
13℃
94%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
Places included
Barrington Township
AQI 21
Berwyn Township
AQI 24
Bloom Township
AQI 30
Bremen Township
AQI 21
Calumet Township
AQI 23
Chicago
AQI 28
Cicero Township
AQI 24
Elk Grove Township
AQI 23
Evanston Township
AQI 30
Hanover Township
AQI 21
Lemont Township
AQI 24
Leyden Township
AQI 24
Lyons Township
AQI 25
Maine Township
AQI 27
New Trier Township
AQI 24
Niles Township
AQI 22
Northfield Township
AQI 29
Norwood Park Township
AQI 24
Oak Park Township
AQI 24
Orland Township
AQI 20
Palatine Township
AQI 21
Palos Township
AQI 24
Proviso Township
AQI 25
Rich Township
AQI 30
River Forest Township
AQI 24
Riverside Township
AQI 25
Schaumburg Township
AQI 24
Stickney Township
AQI 25
Thornton Township
AQI 30
Wheeling Township
AQI 22
Worth Township
AQI 26
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 25
Hometown
AQI 25
Oak Lawn
AQI 25
Burbank
AQI 25
Merrionette Park
AQI 20
Bedford Park
AQI 25
Chicago Ridge
AQI 20
Alsip
AQI 26
Calumet Park
AQI 20
Bridgeview
AQI 25
Blue Island
AQI 20