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  4. Cook County

Cook County

Illinois

2026-09-09 12:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
10.9
PM10
μg/m³
24.2
O3
μg/m³
39.9
Weather
  • ℃
  • ℉
22℃
93%
13 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • O3
Places included
Barrington Township
AQI 45
Berwyn Township
AQI 52
Bloom Township
AQI 65
Bremen Township
AQI 55
Calumet Township
AQI 58
Chicago
AQI 54
Cicero Township
AQI 52
Elk Grove Township
AQI 55
Evanston Township
AQI 54
Hanover Township
AQI 45
Lemont Township
AQI 50
Leyden Township
AQI 58
Lyons Township
AQI 51
Maine Township
AQI 51
New Trier Township
AQI 54
Niles Township
AQI 51
Northfield Township
AQI 53
Norwood Park Township
AQI 59
Oak Park Township
AQI 52
Orland Township
AQI 54
Palatine Township
AQI 49
Palos Township
AQI 52
Proviso Township
AQI 55
Rich Township
AQI 65
River Forest Township
AQI 52
Riverside Township
AQI 51
Schaumburg Township
AQI 59
Stickney Township
AQI 51
Thornton Township
AQI 63
Wheeling Township
AQI 51
Worth Township
AQI 53
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 51
Hometown
AQI 51
Oak Lawn
AQI 51
Burbank
AQI 51
Merrionette Park
AQI 54
Bedford Park
AQI 51
Chicago Ridge
AQI 54
Alsip
AQI 54
Calumet Park
AQI 54
Bridgeview
AQI 51
Blue Island
AQI 54