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  4. Cook County

Cook County

Illinois

2026-09-19 22:00
AQI (India)
Good
Pollutants|Pollens
O3
μg/m³
30.7
PM10
μg/m³
26.6
PM2.5
μg/m³
11.7
Weather
  • ℃
  • ℉
21℃
91%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Barrington Township
AQI 28
Berwyn Township
AQI 26
Bloom Township
AQI 19
Bremen Township
AQI 14
Calumet Township
AQI 19
Chicago
AQI 32
Cicero Township
AQI 26
Elk Grove Township
AQI 28
Evanston Township
AQI 50
Hanover Township
AQI 28
Lemont Township
AQI 24
Leyden Township
AQI 28
Lyons Township
AQI 19
Maine Township
AQI 39
New Trier Township
AQI 30
Niles Township
AQI 28
Northfield Township
AQI 52
Norwood Park Township
AQI 28
Oak Park Township
AQI 28
Orland Township
AQI 14
Palatine Township
AQI 28
Palos Township
AQI 17
Proviso Township
AQI 28
Rich Township
AQI 16
River Forest Township
AQI 28
Riverside Township
AQI 19
Schaumburg Township
AQI 28
Stickney Township
AQI 16
Thornton Township
AQI 19
Wheeling Township
AQI 28
Worth Township
AQI 28
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 13
Hometown
AQI 13
Oak Lawn
AQI 13
Burbank
AQI 13
Merrionette Park
AQI 14
Bedford Park
AQI 13
Chicago Ridge
AQI 14
Alsip
AQI 28
Calumet Park
AQI 14
Bridgeview
AQI 19
Blue Island
AQI 14