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  4. Cook County

Cook County

Illinois

2026-05-28 02:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
106
PM2.5
μg/m³
6.4
PM10
μg/m³
7
Weather
  • ℃
  • ℉
17℃
67%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM2.5
  • PM10
Places included
Barrington Township
AQI 8
Berwyn Township
AQI 9
Bloom Township
AQI 16
Bremen Township
AQI 18
Calumet Township
AQI 18
Chicago
AQI 119
Cicero Township
AQI 99
Elk Grove Township
AQI 9
Evanston Township
AQI 102
Hanover Township
AQI 8
Lemont Township
AQI 130
Leyden Township
AQI 82
Lyons Township
AQI 10
Maine Township
AQI 124
New Trier Township
AQI 7
Niles Township
AQI 9
Northfield Township
AQI 95
Norwood Park Township
AQI 10
Oak Park Township
AQI 9
Orland Township
AQI 18
Palatine Township
AQI 9
Palos Township
AQI 13
Proviso Township
AQI 10
Rich Township
AQI 16
River Forest Township
AQI 9
Riverside Township
AQI 10
Schaumburg Township
AQI 10
Stickney Township
AQI 12
Thornton Township
AQI 16
Wheeling Township
AQI 9
Worth Township
AQI 136
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 14
Hometown
AQI 14
Oak Lawn
AQI 14
Burbank
AQI 14
Merrionette Park
AQI 18
Bedford Park
AQI 14
Chicago Ridge
AQI 18
Alsip
AQI 136
Calumet Park
AQI 18
Bridgeview
AQI 10
Blue Island
AQI 18