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  4. Cook County

Cook County

Illinois

2026-05-19 13:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
7.4
O3
μg/m³
68.6
PM10
μg/m³
10
Weather
  • ℃
  • ℉
22℃
84%
28 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
Places included
Barrington Township
AQI 29
Berwyn Township
AQI 44
Bloom Township
AQI 46
Bremen Township
AQI 38
Calumet Township
AQI 40
Chicago
AQI 54
Cicero Township
AQI 44
Elk Grove Township
AQI 43
Evanston Township
AQI 32
Hanover Township
AQI 29
Lemont Township
AQI 40
Leyden Township
AQI 48
Lyons Township
AQI 43
Maine Township
AQI 39
New Trier Township
AQI 31
Niles Township
AQI 41
Northfield Township
AQI 34
Norwood Park Township
AQI 48
Oak Park Township
AQI 44
Orland Township
AQI 37
Palatine Township
AQI 36
Palos Township
AQI 41
Proviso Township
AQI 45
Rich Township
AQI 46
River Forest Township
AQI 44
Riverside Township
AQI 43
Schaumburg Township
AQI 48
Stickney Township
AQI 43
Thornton Township
AQI 52
Wheeling Township
AQI 39
Worth Township
AQI 39
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 37
Bedford Park
AQI 43
Chicago Ridge
AQI 37
Alsip
AQI 37
Calumet Park
AQI 37
Bridgeview
AQI 43
Blue Island
AQI 37