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

Cook County

Illinois

2026-09-09 12:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
9.7
PM10
μg/m³
23.5
O3
μg/m³
39.6
Weather
  • ℃
  • ℉
22℃
94%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • O3
Places included
Barrington Township
AQI 34
Berwyn Township
AQI 50
Bloom Township
AQI 56
Bremen Township
AQI 51
Calumet Township
AQI 52
Chicago
AQI 51
Cicero Township
AQI 50
Elk Grove Township
AQI 56
Evanston Township
AQI 54
Hanover Township
AQI 34
Lemont Township
AQI 44
Leyden Township
AQI 60
Lyons Township
AQI 46
Maine Township
AQI 48
New Trier Township
AQI 54
Niles Township
AQI 49
Northfield Township
AQI 52
Norwood Park Township
AQI 62
Oak Park Township
AQI 50
Orland Township
AQI 49
Palatine Township
AQI 43
Palos Township
AQI 47
Proviso Township
AQI 55
Rich Township
AQI 56
River Forest Township
AQI 50
Riverside Township
AQI 46
Schaumburg Township
AQI 62
Stickney Township
AQI 43
Thornton Township
AQI 55
Wheeling Township
AQI 48
Worth Township
AQI 46
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 40
Hometown
AQI 40
Oak Lawn
AQI 40
Burbank
AQI 40
Merrionette Park
AQI 49
Bedford Park
AQI 40
Chicago Ridge
AQI 49
Alsip
AQI 49
Calumet Park
AQI 49
Bridgeview
AQI 46
Blue Island
AQI 49