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  4. Cook County

Cook County

Illinois

2026-05-16 13:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
7.7
O3
μg/m³
77.7
PM10
μg/m³
8
Weather
  • ℃
  • ℉
19℃
90%
9 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
Places included
Barrington Township
AQI 18
Berwyn Township
AQI 39
Bloom Township
AQI 61
Bremen Township
AQI 49
Calumet Township
AQI 53
Chicago
AQI 52
Cicero Township
AQI 38
Elk Grove Township
AQI 38
Evanston Township
AQI 40
Hanover Township
AQI 18
Lemont Township
AQI 40
Leyden Township
AQI 46
Lyons Township
AQI 52
Maine Township
AQI 41
New Trier Township
AQI 21
Niles Township
AQI 28
Northfield Township
AQI 43
Norwood Park Township
AQI 51
Oak Park Township
AQI 39
Orland Township
AQI 44
Palatine Township
AQI 23
Palos Township
AQI 51
Proviso Township
AQI 51
Rich Township
AQI 61
River Forest Township
AQI 39
Riverside Township
AQI 52
Schaumburg Township
AQI 51
Stickney Township
AQI 50
Thornton Township
AQI 60
Wheeling Township
AQI 25
Worth Township
AQI 45
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 45
Hometown
AQI 45
Oak Lawn
AQI 45
Burbank
AQI 45
Merrionette Park
AQI 44
Bedford Park
AQI 45
Chicago Ridge
AQI 44
Alsip
AQI 44
Calumet Park
AQI 44
Bridgeview
AQI 52
Blue Island
AQI 44