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  4. Cook County

Cook County

Illinois

2026-05-24 01:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
7
O3
μg/m³
75.5
PM10
μg/m³
12
Weather
  • ℃
  • ℉
14℃
88%
19 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
Places included
Barrington Township
AQI 26
Berwyn Township
AQI 41
Bloom Township
AQI 43
Bremen Township
AQI 33
Calumet Township
AQI 35
Chicago
AQI 44
Cicero Township
AQI 41
Elk Grove Township
AQI 39
Evanston Township
AQI 45
Hanover Township
AQI 26
Lemont Township
AQI 58
Leyden Township
AQI 42
Lyons Township
AQI 35
Maine Township
AQI 36
New Trier Township
AQI 45
Niles Township
AQI 36
Northfield Township
AQI 42
Norwood Park Township
AQI 43
Oak Park Township
AQI 41
Orland Township
AQI 31
Palatine Township
AQI 33
Palos Township
AQI 34
Proviso Township
AQI 40
Rich Township
AQI 43
River Forest Township
AQI 41
Riverside Township
AQI 35
Schaumburg Township
AQI 43
Stickney Township
AQI 38
Thornton Township
AQI 44
Wheeling Township
AQI 36
Worth Township
AQI 35
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 42
Hometown
AQI 42
Oak Lawn
AQI 42
Burbank
AQI 42
Merrionette Park
AQI 31
Bedford Park
AQI 42
Chicago Ridge
AQI 31
Alsip
AQI 31
Calumet Park
AQI 31
Bridgeview
AQI 35
Blue Island
AQI 31