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  4. Cook County

Cook County

Illinois

2026-09-12 01:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
97.9
PM2.5
μg/m³
6.6
PM10
μg/m³
12
Weather
  • ℃
  • ℉
23℃
73%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
Places included
Barrington Township
AQI 32
Berwyn Township
AQI 30
Bloom Township
AQI 52
Bremen Township
AQI 50
Calumet Township
AQI 51
Chicago
AQI 46
Cicero Township
AQI 39
Elk Grove Township
AQI 37
Evanston Township
AQI 47
Hanover Township
AQI 32
Lemont Township
AQI 41
Leyden Township
AQI 42
Lyons Township
AQI 33
Maine Township
AQI 72
New Trier Township
AQI 28
Niles Township
AQI 30
Northfield Township
AQI 46
Norwood Park Township
AQI 44
Oak Park Township
AQI 30
Orland Township
AQI 49
Palatine Township
AQI 31
Palos Township
AQI 38
Proviso Township
AQI 37
Rich Township
AQI 52
River Forest Township
AQI 30
Riverside Township
AQI 33
Schaumburg Township
AQI 44
Stickney Township
AQI 31
Thornton Township
AQI 51
Wheeling Township
AQI 30
Worth Township
AQI 42
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 29
Hometown
AQI 29
Oak Lawn
AQI 29
Burbank
AQI 29
Merrionette Park
AQI 49
Bedford Park
AQI 29
Chicago Ridge
AQI 49
Alsip
AQI 49
Calumet Park
AQI 49
Bridgeview
AQI 33
Blue Island
AQI 49