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  4. Cook County

Cook County

Illinois

2026-04-29 17:00
CAQI (Europe)
Low
Pollutants|Pollens
O3
μg/m³
63.4
PM2.5
μg/m³
4.3
PM10
μg/m³
1
Weather
  • ℃
  • ℉
10℃
85%
20 kph
3 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • PM2.5
  • PM10
Places included
Barrington Township
AQI 6
Berwyn Township
AQI 8
Bloom Township
AQI 7
Bremen Township
AQI 9
Calumet Township
AQI 8
Chicago
AQI 26
Cicero Township
AQI 24
Elk Grove Township
AQI 7
Evanston Township
AQI 33
Hanover Township
AQI 6
Lemont Township
AQI 34
Leyden Township
AQI 16
Lyons Township
AQI 14
Maine Township
AQI 25
New Trier Township
AQI 3
Niles Township
AQI 6
Northfield Township
AQI 34
Norwood Park Township
AQI 7
Oak Park Township
AQI 8
Orland Township
AQI 9
Palatine Township
AQI 6
Palos Township
AQI 12
Proviso Township
AQI 10
Rich Township
AQI 7
River Forest Township
AQI 8
Riverside Township
AQI 14
Schaumburg Township
AQI 7
Stickney Township
AQI 12
Thornton Township
AQI 8
Wheeling Township
AQI 6
Worth Township
AQI 25
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 10
Hometown
AQI 10
Oak Lawn
AQI 10
Burbank
AQI 10
Merrionette Park
AQI 9
Bedford Park
AQI 10
Chicago Ridge
AQI 9
Alsip
AQI 25
Calumet Park
AQI 9
Bridgeview
AQI 14
Blue Island
AQI 9