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

Cook County

Illinois

2026-05-18 23:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
99.9
PM2.5
μg/m³
2.9
PM10
μg/m³
7
Weather
  • ℃
  • ℉
22℃
83%
26 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
Places included
Barrington Township
AQI 19
Berwyn Township
AQI 17
Bloom Township
AQI 17
Bremen Township
AQI 15
Calumet Township
AQI 15
Chicago
AQI 45
Cicero Township
AQI 42
Elk Grove Township
AQI 17
Evanston Township
AQI 48
Hanover Township
AQI 19
Lemont Township
AQI 15
Leyden Township
AQI 35
Lyons Township
AQI 20
Maine Township
AQI 44
New Trier Township
AQI 14
Niles Township
AQI 16
Northfield Township
AQI 48
Norwood Park Township
AQI 18
Oak Park Township
AQI 17
Orland Township
AQI 14
Palatine Township
AQI 17
Palos Township
AQI 18
Proviso Township
AQI 19
Rich Township
AQI 17
River Forest Township
AQI 17
Riverside Township
AQI 20
Schaumburg Township
AQI 18
Stickney Township
AQI 18
Thornton Township
AQI 17
Wheeling Township
AQI 15
Worth Township
AQI 44
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 17
Hometown
AQI 17
Oak Lawn
AQI 17
Burbank
AQI 17
Merrionette Park
AQI 14
Bedford Park
AQI 17
Chicago Ridge
AQI 14
Alsip
AQI 44
Calumet Park
AQI 14
Bridgeview
AQI 20
Blue Island
AQI 14