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  4. Cook County

Cook County

Illinois

2026-05-30 10:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
117
PM10
μg/m³
27
PM2.5
μg/m³
12.9
Weather
  • ℃
  • ℉
16℃
83%
7 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Barrington Township
AQI 21
Berwyn Township
AQI 40
Bloom Township
AQI 34
Bremen Township
AQI 26
Calumet Township
AQI 28
Chicago
AQI 138
Cicero Township
AQI 130
Elk Grove Township
AQI 17
Evanston Township
AQI 161
Hanover Township
AQI 21
Lemont Township
AQI 108
Leyden Township
AQI 97
Lyons Township
AQI 40
Maine Township
AQI 97
New Trier Township
AQI 17
Niles Township
AQI 15
Northfield Township
AQI 158
Norwood Park Township
AQI 40
Oak Park Township
AQI 40
Orland Township
AQI 34
Palatine Township
AQI 18
Palos Township
AQI 40
Proviso Township
AQI 40
Rich Township
AQI 34
River Forest Township
AQI 40
Riverside Township
AQI 40
Schaumburg Township
AQI 19
Stickney Township
AQI 40
Thornton Township
AQI 31
Wheeling Township
AQI 16
Worth Township
AQI 117
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 22
Hometown
AQI 40
Oak Lawn
AQI 40
Burbank
AQI 40
Merrionette Park
AQI 25
Bedford Park
AQI 40
Chicago Ridge
AQI 40
Alsip
AQI 117
Calumet Park
AQI 25
Bridgeview
AQI 40
Blue Island
AQI 25