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  4. Cook County

Cook County

Illinois

2026-05-30 12:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
109.1
PM10
μg/m³
26.7
PM2.5
μg/m³
10
Weather
  • ℃
  • ℉
19℃
72%
19 kph
3 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Barrington Township
AQI 16
Berwyn Township
AQI 40
Bloom Township
AQI 28
Bremen Township
AQI 24
Calumet Township
AQI 21
Chicago
AQI 147
Cicero Township
AQI 120
Elk Grove Township
AQI 15
Evanston Township
AQI 130
Hanover Township
AQI 16
Lemont Township
AQI 65
Leyden Township
AQI 95
Lyons Township
AQI 40
Maine Township
AQI 124
New Trier Township
AQI 14
Niles Township
AQI 14
Northfield Township
AQI 117
Norwood Park Township
AQI 40
Oak Park Township
AQI 40
Orland Township
AQI 34
Palatine Township
AQI 14
Palos Township
AQI 40
Proviso Township
AQI 40
Rich Township
AQI 28
River Forest Township
AQI 40
Riverside Township
AQI 40
Schaumburg Township
AQI 18
Stickney Township
AQI 40
Thornton Township
AQI 24
Wheeling Township
AQI 14
Worth Township
AQI 133
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 21
Hometown
AQI 40
Oak Lawn
AQI 40
Burbank
AQI 40
Merrionette Park
AQI 21
Bedford Park
AQI 40
Chicago Ridge
AQI 40
Alsip
AQI 133
Calumet Park
AQI 21
Bridgeview
AQI 40
Blue Island
AQI 21