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

Cook County

Illinois

2026-05-19 01:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
86
PM2.5
μg/m³
3.1
PM10
μg/m³
7
Weather
  • ℃
  • ℉
20℃
88%
22 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
Places included
Barrington Township
AQI 17
Berwyn Township
AQI 17
Bloom Township
AQI 19
Bremen Township
AQI 16
Calumet Township
AQI 17
Chicago
AQI 41
Cicero Township
AQI 35
Elk Grove Township
AQI 18
Evanston Township
AQI 41
Hanover Township
AQI 17
Lemont Township
AQI 17
Leyden Township
AQI 29
Lyons Township
AQI 20
Maine Township
AQI 36
New Trier Township
AQI 15
Niles Township
AQI 17
Northfield Township
AQI 40
Norwood Park Township
AQI 20
Oak Park Township
AQI 17
Orland Township
AQI 16
Palatine Township
AQI 17
Palos Township
AQI 19
Proviso Township
AQI 20
Rich Township
AQI 19
River Forest Township
AQI 17
Riverside Township
AQI 20
Schaumburg Township
AQI 20
Stickney Township
AQI 19
Thornton Township
AQI 19
Wheeling Township
AQI 17
Worth Township
AQI 41
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 18
Hometown
AQI 18
Oak Lawn
AQI 18
Burbank
AQI 18
Merrionette Park
AQI 16
Bedford Park
AQI 18
Chicago Ridge
AQI 16
Alsip
AQI 41
Calumet Park
AQI 16
Bridgeview
AQI 20
Blue Island
AQI 16