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  4. Cook County

Cook County

Illinois

2026-09-12 01:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
7.2
O3
μg/m³
87
PM10
μg/m³
11.6
Weather
  • ℃
  • ℉
23℃
73%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
Places included
Barrington Township
AQI 38
Berwyn Township
AQI 30
Bloom Township
AQI 53
Bremen Township
AQI 52
Calumet Township
AQI 52
Chicago
AQI 43
Cicero Township
AQI 34
Elk Grove Township
AQI 38
Evanston Township
AQI 47
Hanover Township
AQI 38
Lemont Township
AQI 54
Leyden Township
AQI 44
Lyons Township
AQI 38
Maine Township
AQI 72
New Trier Township
AQI 29
Niles Township
AQI 30
Northfield Township
AQI 42
Norwood Park Township
AQI 47
Oak Park Township
AQI 30
Orland Township
AQI 52
Palatine Township
AQI 33
Palos Township
AQI 43
Proviso Township
AQI 41
Rich Township
AQI 53
River Forest Township
AQI 30
Riverside Township
AQI 38
Schaumburg Township
AQI 47
Stickney Township
AQI 36
Thornton Township
AQI 53
Wheeling Township
AQI 30
Worth Township
AQI 46
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 33
Hometown
AQI 33
Oak Lawn
AQI 33
Burbank
AQI 33
Merrionette Park
AQI 52
Bedford Park
AQI 33
Chicago Ridge
AQI 52
Alsip
AQI 52
Calumet Park
AQI 52
Bridgeview
AQI 38
Blue Island
AQI 52