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

Cook County

Illinois

2026-05-25 13:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
11.1
O3
μg/m³
74.3
PM10
μg/m³
20
Weather
  • ℃
  • ℉
22℃
73%
15 kph
3 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
Places included
Barrington Township
AQI 62
Berwyn Township
AQI 54
Bloom Township
AQI 51
Bremen Township
AQI 41
Calumet Township
AQI 44
Chicago
AQI 53
Cicero Township
AQI 54
Elk Grove Township
AQI 56
Evanston Township
AQI 59
Hanover Township
AQI 62
Lemont Township
AQI 58
Leyden Township
AQI 56
Lyons Township
AQI 54
Maine Township
AQI 56
New Trier Township
AQI 59
Niles Township
AQI 55
Northfield Township
AQI 58
Norwood Park Township
AQI 57
Oak Park Township
AQI 54
Orland Township
AQI 39
Palatine Township
AQI 58
Palos Township
AQI 52
Proviso Township
AQI 55
Rich Township
AQI 51
River Forest Township
AQI 54
Riverside Township
AQI 54
Schaumburg Township
AQI 57
Stickney Township
AQI 52
Thornton Township
AQI 52
Wheeling Township
AQI 56
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 45
Hometown
AQI 45
Oak Lawn
AQI 45
Burbank
AQI 45
Merrionette Park
AQI 39
Bedford Park
AQI 45
Chicago Ridge
AQI 39
Alsip
AQI 39
Calumet Park
AQI 39
Bridgeview
AQI 54
Blue Island
AQI 39