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Cook County

Illinois

2026-05-21 18:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
70.8
PM2.5
μg/m³
7.1
PM10
μg/m³
4
Weather
  • ℃
  • ℉
15℃
72%
22 kph
7 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM2.5
  • PM10
Places included
Barrington Township
AQI 8
Berwyn Township
AQI 11
Bloom Township
AQI 15
Bremen Township
AQI 15
Calumet Township
AQI 15
Chicago
AQI 23
Cicero Township
AQI 21
Elk Grove Township
AQI 8
Evanston Township
AQI 24
Hanover Township
AQI 8
Lemont Township
AQI 16
Leyden Township
AQI 19
Lyons Township
AQI 12
Maine Township
AQI 24
New Trier Township
AQI 5
Niles Township
AQI 7
Northfield Township
AQI 25
Norwood Park Township
AQI 9
Oak Park Township
AQI 11
Orland Township
AQI 15
Palatine Township
AQI 7
Palos Township
AQI 13
Proviso Township
AQI 11
Rich Township
AQI 15
River Forest Township
AQI 11
Riverside Township
AQI 12
Schaumburg Township
AQI 9
Stickney Township
AQI 15
Thornton Township
AQI 15
Wheeling Township
AQI 6
Worth Township
AQI 21
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evergreen Park
AQI 17
Hometown
AQI 17
Oak Lawn
AQI 17
Burbank
AQI 17
Merrionette Park
AQI 15
Bedford Park
AQI 17
Chicago Ridge
AQI 15
Alsip
AQI 21
Calumet Park
AQI 15
Bridgeview
AQI 12
Blue Island
AQI 15