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  4. Cook County

Cook County

Illinois

2026-05-16 03:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
95.7
PM2.5
μg/m³
6.2
PM10
μg/m³
10
Weather
  • ℃
  • ℉
19℃
72%
20 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
Places included
Barrington Township
AQI 36
Berwyn Township
AQI 38
Bloom Township
AQI 34
Bremen Township
AQI 31
Calumet Township
AQI 32
Chicago
AQI 43
Cicero Township
AQI 40
Elk Grove Township
AQI 36
Evanston Township
AQI 43
Hanover Township
AQI 36
Lemont Township
AQI 36
Leyden Township
AQI 40
Lyons Township
AQI 37
Maine Township
AQI 43
New Trier Township
AQI 26
Niles Township
AQI 33
Northfield Township
AQI 47
Norwood Park Township
AQI 40
Oak Park Township
AQI 38
Orland Township
AQI 30
Palatine Township
AQI 33
Palos Township
AQI 35
Proviso Township
AQI 39
Rich Township
AQI 34
River Forest Township
AQI 38
Riverside Township
AQI 37
Schaumburg Township
AQI 40
Stickney Township
AQI 36
Thornton Township
AQI 36
Wheeling Township
AQI 32
Worth Township
AQI 41
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 34
Hometown
AQI 34
Oak Lawn
AQI 34
Burbank
AQI 34
Merrionette Park
AQI 30
Bedford Park
AQI 34
Chicago Ridge
AQI 30
Alsip
AQI 41
Calumet Park
AQI 30
Bridgeview
AQI 37
Blue Island
AQI 30