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  4. Cook County

Cook County

Illinois

2026-05-16 10:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
7.9
O3
μg/m³
63.1
PM10
μg/m³
20.4
Weather
  • ℃
  • ℉
18℃
83%
15 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
Places included
Barrington Township
AQI 22
Berwyn Township
AQI 50
Bloom Township
AQI 48
Bremen Township
AQI 39
Calumet Township
AQI 41
Chicago
AQI 52
Cicero Township
AQI 50
Elk Grove Township
AQI 45
Evanston Township
AQI 32
Hanover Township
AQI 22
Lemont Township
AQI 40
Leyden Township
AQI 51
Lyons Township
AQI 54
Maine Township
AQI 36
New Trier Township
AQI 32
Niles Township
AQI 39
Northfield Township
AQI 39
Norwood Park Township
AQI 51
Oak Park Township
AQI 50
Orland Township
AQI 38
Palatine Township
AQI 31
Palos Township
AQI 51
Proviso Township
AQI 52
Rich Township
AQI 48
River Forest Township
AQI 50
Riverside Township
AQI 54
Schaumburg Township
AQI 51
Stickney Township
AQI 51
Thornton Township
AQI 51
Wheeling Township
AQI 36
Worth Township
AQI 39
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 38
Bedford Park
AQI 42
Chicago Ridge
AQI 38
Alsip
AQI 38
Calumet Park
AQI 38
Bridgeview
AQI 54
Blue Island
AQI 38