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  4. Cook County

Cook County

Illinois

2026-05-26 02:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
112.5
PM2.5
μg/m³
8.6
PM10
μg/m³
16
Weather
  • ℃
  • ℉
22℃
61%
19 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
Places included
Barrington Township
AQI 35
Berwyn Township
AQI 56
Bloom Township
AQI 44
Bremen Township
AQI 45
Calumet Township
AQI 45
Chicago
AQI 52
Cicero Township
AQI 56
Elk Grove Township
AQI 47
Evanston Township
AQI 97
Hanover Township
AQI 35
Lemont Township
AQI 51
Leyden Township
AQI 52
Lyons Township
AQI 42
Maine Township
AQI 72
New Trier Township
AQI 50
Niles Township
AQI 42
Northfield Township
AQI 60
Norwood Park Township
AQI 52
Oak Park Township
AQI 56
Orland Township
AQI 45
Palatine Township
AQI 37
Palos Township
AQI 43
Proviso Township
AQI 51
Rich Township
AQI 44
River Forest Township
AQI 56
Riverside Township
AQI 42
Schaumburg Township
AQI 52
Stickney Township
AQI 47
Thornton Township
AQI 47
Wheeling Township
AQI 38
Worth Township
AQI 48
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 45
Bedford Park
AQI 51
Chicago Ridge
AQI 45
Alsip
AQI 48
Calumet Park
AQI 45
Bridgeview
AQI 42
Blue Island
AQI 45