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  4. Cook County

Cook County

Illinois

2026-05-16 04:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
94.7
PM2.5
μg/m³
5.7
PM10
μg/m³
10
Weather
  • ℃
  • ℉
19℃
75%
10 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
Places included
Barrington Township
AQI 32
Berwyn Township
AQI 37
Bloom Township
AQI 32
Bremen Township
AQI 29
Calumet Township
AQI 30
Chicago
AQI 42
Cicero Township
AQI 39
Elk Grove Township
AQI 32
Evanston Township
AQI 41
Hanover Township
AQI 32
Lemont Township
AQI 31
Leyden Township
AQI 37
Lyons Township
AQI 32
Maine Township
AQI 44
New Trier Township
AQI 25
Niles Township
AQI 30
Northfield Township
AQI 46
Norwood Park Township
AQI 36
Oak Park Township
AQI 37
Orland Township
AQI 28
Palatine Township
AQI 29
Palos Township
AQI 31
Proviso Township
AQI 35
Rich Township
AQI 32
River Forest Township
AQI 37
Riverside Township
AQI 32
Schaumburg Township
AQI 36
Stickney Township
AQI 32
Thornton Township
AQI 35
Wheeling Township
AQI 28
Worth Township
AQI 41
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 28
Bedford Park
AQI 33
Chicago Ridge
AQI 28
Alsip
AQI 41
Calumet Park
AQI 28
Bridgeview
AQI 32
Blue Island
AQI 28