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  4. Cook County

Cook County

Illinois

2026-05-16 06:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
91.5
PM2.5
μg/m³
5
PM10
μg/m³
9.8
Weather
  • ℃
  • ℉
19℃
74%
24 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
Places included
Barrington Township
AQI 29
Berwyn Township
AQI 29
Bloom Township
AQI 28
Bremen Township
AQI 26
Calumet Township
AQI 26
Chicago
AQI 39
Cicero Township
AQI 38
Elk Grove Township
AQI 30
Evanston Township
AQI 40
Hanover Township
AQI 29
Lemont Township
AQI 27
Leyden Township
AQI 37
Lyons Township
AQI 29
Maine Township
AQI 43
New Trier Township
AQI 23
Niles Township
AQI 28
Northfield Township
AQI 44
Norwood Park Township
AQI 32
Oak Park Township
AQI 29
Orland Township
AQI 25
Palatine Township
AQI 28
Palos Township
AQI 28
Proviso Township
AQI 30
Rich Township
AQI 28
River Forest Township
AQI 29
Riverside Township
AQI 29
Schaumburg Township
AQI 32
Stickney Township
AQI 29
Thornton Township
AQI 30
Wheeling Township
AQI 28
Worth Township
AQI 39
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 29
Hometown
AQI 29
Oak Lawn
AQI 29
Burbank
AQI 29
Merrionette Park
AQI 25
Bedford Park
AQI 29
Chicago Ridge
AQI 25
Alsip
AQI 39
Calumet Park
AQI 25
Bridgeview
AQI 29
Blue Island
AQI 25