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

Cook County

Illinois

2026-09-10 04:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
4.6
O3
μg/m³
36.8
PM10
μg/m³
10.5
Weather
  • ℃
  • ℉
22℃
94%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
Places included
Barrington Township
AQI 25
Berwyn Township
AQI 26
Bloom Township
AQI 28
Bremen Township
AQI 24
Calumet Township
AQI 25
Chicago
AQI 25
Cicero Township
AQI 26
Elk Grove Township
AQI 27
Evanston Township
AQI 28
Hanover Township
AQI 25
Lemont Township
AQI 26
Leyden Township
AQI 32
Lyons Township
AQI 23
Maine Township
AQI 21
New Trier Township
AQI 28
Niles Township
AQI 23
Northfield Township
AQI 26
Norwood Park Township
AQI 33
Oak Park Township
AQI 26
Orland Township
AQI 24
Palatine Township
AQI 23
Palos Township
AQI 23
Proviso Township
AQI 28
Rich Township
AQI 28
River Forest Township
AQI 26
Riverside Township
AQI 23
Schaumburg Township
AQI 33
Stickney Township
AQI 24
Thornton Township
AQI 26
Wheeling Township
AQI 21
Worth Township
AQI 24
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 24
Hometown
AQI 24
Oak Lawn
AQI 24
Burbank
AQI 24
Merrionette Park
AQI 24
Bedford Park
AQI 24
Chicago Ridge
AQI 24
Alsip
AQI 24
Calumet Park
AQI 24
Bridgeview
AQI 23
Blue Island
AQI 24