1. North America
  2. United States
  3. Illinois
  4. Cook County

Cook County

Illinois

2026-05-20 15:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
45
PM2.5
μg/m³
2.2
PM10
μg/m³
2
Weather
  • ℃
  • ℉
14℃
70%
24 kph
6 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
Places included
Barrington Township
AQI 13
Berwyn Township
AQI 14
Bloom Township
AQI 15
Bremen Township
AQI 13
Calumet Township
AQI 13
Chicago
AQI 21
Cicero Township
AQI 19
Elk Grove Township
AQI 12
Evanston Township
AQI 21
Hanover Township
AQI 13
Lemont Township
AQI 17
Leyden Township
AQI 16
Lyons Township
AQI 13
Maine Township
AQI 22
New Trier Township
AQI 8
Niles Township
AQI 10
Northfield Township
AQI 22
Norwood Park Township
AQI 15
Oak Park Township
AQI 14
Orland Township
AQI 12
Palatine Township
AQI 11
Palos Township
AQI 13
Proviso Township
AQI 14
Rich Township
AQI 15
River Forest Township
AQI 14
Riverside Township
AQI 13
Schaumburg Township
AQI 15
Stickney Township
AQI 14
Thornton Township
AQI 15
Wheeling Township
AQI 10
Worth Township
AQI 19
Data Sources
http://www.airnow.gov/

Get the App

Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.

iPhone, iPad

Android

Cities Nearby

Evergreen Park
AQI 16
Hometown
AQI 16
Oak Lawn
AQI 16
Burbank
AQI 16
Merrionette Park
AQI 12
Bedford Park
AQI 16
Chicago Ridge
AQI 12
Alsip
AQI 19
Calumet Park
AQI 12
Bridgeview
AQI 13
Blue Island
AQI 12