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  4. Cook County

Cook County

Illinois

2026-09-05 17:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
7.4
O3
μg/m³
89.6
PM10
μg/m³
15.9
Weather
  • ℃
  • ℉
28℃
75%
20 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
Places included
Barrington Township
AQI 42
Berwyn Township
AQI 46
Bloom Township
AQI 26
Bremen Township
AQI 31
Calumet Township
AQI 30
Chicago
AQI 41
Cicero Township
AQI 46
Elk Grove Township
AQI 50
Evanston Township
AQI 51
Hanover Township
AQI 42
Lemont Township
AQI 55
Leyden Township
AQI 53
Lyons Township
AQI 37
Maine Township
AQI 39
New Trier Township
AQI 51
Niles Township
AQI 40
Northfield Township
AQI 48
Norwood Park Township
AQI 54
Oak Park Township
AQI 46
Orland Township
AQI 32
Palatine Township
AQI 40
Palos Township
AQI 35
Proviso Township
AQI 49
Rich Township
AQI 26
River Forest Township
AQI 46
Riverside Township
AQI 37
Schaumburg Township
AQI 54
Stickney Township
AQI 32
Thornton Township
AQI 27
Wheeling Township
AQI 39
Worth Township
AQI 45
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 27
Hometown
AQI 27
Oak Lawn
AQI 27
Burbank
AQI 27
Merrionette Park
AQI 32
Bedford Park
AQI 27
Chicago Ridge
AQI 32
Alsip
AQI 45
Calumet Park
AQI 32
Bridgeview
AQI 37
Blue Island
AQI 32