Illinois Air Quality Forecasts and Current Conditions Summary
 
Click on the city name for more detailed information. FORECAST CURRENT
AQI
Thu
Aug 25
Fri
Aug 26
Aurora/Elgin
 
  Good
 
  Good
 
Bloomington/Normal
 
  Good
 
  Good
 
Champaign
 
  Good
 
  Good
 
Chicago
 
  Good
 
  Good
 
Decatur
 
  Good
 
  Good
 
Joliet/Will County
 
  Good
 
  Good
 
Lake County
 
  Good
 
  Good
 
North & West Suburbs (Chicago)
 
  Good
 
  Good
 
Peoria
 
  Good
 
  Good
 
Rock Island-Moline
 
  Good
 
  Good
 
Rockford
 
  Good
 
  Good
 
South & West Suburbs (Chicago)
 
  Good
 
  Good
 
Springfield
 
  Good
 
  Good
 
St. Louis (Metro-east)
 
  Good
 
  Good