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  4. Cook County

Cook County

Illinois

2026-02-16 21:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
8.6
O3
μg/m³
98.6
PM10
μg/m³
15
Weather
  • ℃
  • ℉
18℃
39%
30 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
Places included
Barrington Township
AQI 38
Berwyn Township
AQI 45
Bloom Township
AQI 40
Bremen Township
AQI 37
Calumet Township
AQI 38
Chicago
AQI 53
Cicero Township
AQI 39
Elk Grove Township
AQI 52
Evanston Township
AQI 37
Hanover Township
AQI 38
Lemont Township
AQI 41
Leyden Township
AQI 52
Lyons Township
AQI 55
Maine Township
AQI 52
New Trier Township
AQI 37
Niles Township
AQI 52
Northfield Township
AQI 43
Norwood Park Township
AQI 51
Oak Park Township
AQI 45
Orland Township
AQI 37
Palatine Township
AQI 49
Palos Township
AQI 53
Proviso Township
AQI 53
Rich Township
AQI 40
River Forest Township
AQI 45
Riverside Township
AQI 56
Schaumburg Township
AQI 51
Stickney Township
AQI 58
Thornton Township
AQI 42
Wheeling Township
AQI 52
Worth Township
AQI 51
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 61
Hometown
AQI 61
Oak Lawn
AQI 61
Burbank
AQI 61
Merrionette Park
AQI 37
Bedford Park
AQI 61
Chicago Ridge
AQI 37
Alsip
AQI 37
Calumet Park
AQI 37
Bridgeview
AQI 56
Blue Island
AQI 37