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  4. Cook County

Cook County

Illinois

2026-05-16 10:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
7.2
O3
μg/m³
74.4
PM10
μg/m³
21.2
Weather
  • ℃
  • ℉
18℃
83%
15 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
Places included
Barrington Township
AQI 27
Berwyn Township
AQI 40
Bloom Township
AQI 45
Bremen Township
AQI 36
Calumet Township
AQI 38
Chicago
AQI 51
Cicero Township
AQI 40
Elk Grove Township
AQI 43
Evanston Township
AQI 36
Hanover Township
AQI 27
Lemont Township
AQI 39
Leyden Township
AQI 48
Lyons Township
AQI 44
Maine Township
AQI 37
New Trier Township
AQI 34
Niles Township
AQI 38
Northfield Township
AQI 38
Norwood Park Township
AQI 49
Oak Park Township
AQI 40
Orland Township
AQI 35
Palatine Township
AQI 34
Palos Township
AQI 41
Proviso Township
AQI 46
Rich Township
AQI 45
River Forest Township
AQI 40
Riverside Township
AQI 44
Schaumburg Township
AQI 49
Stickney Township
AQI 42
Thornton Township
AQI 50
Wheeling Township
AQI 37
Worth Township
AQI 37
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 40
Hometown
AQI 40
Oak Lawn
AQI 40
Burbank
AQI 40
Merrionette Park
AQI 35
Bedford Park
AQI 40
Chicago Ridge
AQI 35
Alsip
AQI 35
Calumet Park
AQI 35
Bridgeview
AQI 44
Blue Island
AQI 35