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  4. Cook County

Cook County

Illinois

2026-05-16 08:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
86.8
PM2.5
μg/m³
6.1
PM10
μg/m³
20.1
Weather
  • ℃
  • ℉
19℃
76%
17 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
Places included
Barrington Township
AQI 35
Berwyn Township
AQI 34
Bloom Township
AQI 33
Bremen Township
AQI 30
Calumet Township
AQI 31
Chicago
AQI 38
Cicero Township
AQI 36
Elk Grove Township
AQI 37
Evanston Township
AQI 41
Hanover Township
AQI 35
Lemont Township
AQI 33
Leyden Township
AQI 39
Lyons Township
AQI 40
Maine Township
AQI 39
New Trier Township
AQI 28
Niles Township
AQI 34
Northfield Township
AQI 42
Norwood Park Township
AQI 39
Oak Park Township
AQI 34
Orland Township
AQI 30
Palatine Township
AQI 35
Palos Township
AQI 37
Proviso Township
AQI 39
Rich Township
AQI 33
River Forest Township
AQI 34
Riverside Township
AQI 40
Schaumburg Township
AQI 39
Stickney Township
AQI 36
Thornton Township
AQI 35
Wheeling Township
AQI 34
Worth Township
AQI 38
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 33
Hometown
AQI 33
Oak Lawn
AQI 33
Burbank
AQI 33
Merrionette Park
AQI 30
Bedford Park
AQI 33
Chicago Ridge
AQI 30
Alsip
AQI 38
Calumet Park
AQI 30
Bridgeview
AQI 40
Blue Island
AQI 30