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

Cook County

Illinois

2026-09-10 23:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
82.9
PM2.5
μg/m³
3.7
PM10
μg/m³
8.5
Weather
  • ℃
  • ℉
22℃
64%
15 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
Places included
Barrington Township
AQI 19
Berwyn Township
AQI 20
Bloom Township
AQI 24
Bremen Township
AQI 20
Calumet Township
AQI 21
Chicago
AQI 36
Cicero Township
AQI 34
Elk Grove Township
AQI 21
Evanston Township
AQI 40
Hanover Township
AQI 19
Lemont Township
AQI 40
Leyden Township
AQI 26
Lyons Township
AQI 20
Maine Township
AQI 41
New Trier Township
AQI 18
Niles Township
AQI 18
Northfield Township
AQI 41
Norwood Park Township
AQI 23
Oak Park Township
AQI 20
Orland Township
AQI 20
Palatine Township
AQI 18
Palos Township
AQI 20
Proviso Township
AQI 22
Rich Township
AQI 24
River Forest Township
AQI 20
Riverside Township
AQI 20
Schaumburg Township
AQI 23
Stickney Township
AQI 21
Thornton Township
AQI 22
Wheeling Township
AQI 18
Worth Township
AQI 37
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 22
Hometown
AQI 22
Oak Lawn
AQI 22
Burbank
AQI 22
Merrionette Park
AQI 20
Bedford Park
AQI 22
Chicago Ridge
AQI 20
Alsip
AQI 37
Calumet Park
AQI 20
Bridgeview
AQI 20
Blue Island
AQI 20