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  4. Cook County

Cook County

Illinois

2026-05-27 06:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
14.5
O3
μg/m³
45
PM10
μg/m³
19
Weather
  • ℃
  • ℉
19℃
73%
0 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
Places included
Barrington Township
AQI 54
Berwyn Township
AQI 61
Bloom Township
AQI 74
Bremen Township
AQI 66
Calumet Township
AQI 68
Chicago
AQI 52
Cicero Township
AQI 61
Elk Grove Township
AQI 61
Evanston Township
AQI 101
Hanover Township
AQI 54
Lemont Township
AQI 49
Leyden Township
AQI 63
Lyons Township
AQI 66
Maine Township
AQI 58
New Trier Township
AQI 53
Niles Township
AQI 58
Northfield Township
AQI 55
Norwood Park Township
AQI 64
Oak Park Township
AQI 61
Orland Township
AQI 65
Palatine Township
AQI 57
Palos Township
AQI 66
Proviso Township
AQI 64
Rich Township
AQI 74
River Forest Township
AQI 61
Riverside Township
AQI 66
Schaumburg Township
AQI 64
Stickney Township
AQI 58
Thornton Township
AQI 69
Wheeling Township
AQI 58
Worth Township
AQI 59
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 48
Hometown
AQI 48
Oak Lawn
AQI 48
Burbank
AQI 48
Merrionette Park
AQI 65
Bedford Park
AQI 48
Chicago Ridge
AQI 65
Alsip
AQI 65
Calumet Park
AQI 65
Bridgeview
AQI 66
Blue Island
AQI 65