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

Cook County

Illinois

2026-05-23 19:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
6.5
O3
μg/m³
81.9
PM10
μg/m³
10
Weather
  • ℃
  • ℉
21℃
75%
11 kph
4 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
Places included
Barrington Township
AQI 19
Berwyn Township
AQI 37
Bloom Township
AQI 35
Bremen Township
AQI 51
Calumet Township
AQI 48
Chicago
AQI 40
Cicero Township
AQI 37
Elk Grove Township
AQI 32
Evanston Township
AQI 37
Hanover Township
AQI 19
Lemont Township
AQI 41
Leyden Township
AQI 36
Lyons Township
AQI 43
Maine Township
AQI 34
New Trier Township
AQI 33
Niles Township
AQI 29
Northfield Township
AQI 36
Norwood Park Township
AQI 37
Oak Park Township
AQI 37
Orland Township
AQI 52
Palatine Township
AQI 24
Palos Township
AQI 46
Proviso Township
AQI 39
Rich Township
AQI 35
River Forest Township
AQI 37
Riverside Township
AQI 43
Schaumburg Township
AQI 37
Stickney Township
AQI 44
Thornton Township
AQI 38
Wheeling Township
AQI 27
Worth Township
AQI 51
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 52
Bedford Park
AQI 45
Chicago Ridge
AQI 52
Alsip
AQI 52
Calumet Park
AQI 52
Bridgeview
AQI 43
Blue Island
AQI 52