Illinois Air Quality Forecasts and Current Conditions Summary
 
Click on the city name for more detailed information. FORECAST CURRENT
AQI
Thu
Sep 18
Fri
Sep 19
Aurora/Elgin
 
  aqi not available
 
  aqi not available
 
Chicago
 
  Moderate
 
  Moderate
40 40
Peoria
 
  Good
 
  Moderate
30 30
Rock Island-Moline
 
  Good
 
  Moderate
35 35
Rockford
 
  Good
 
  Moderate
40 40
Springfield
 
  Good
 
  Moderate
34 34
St. Louis (Metro-east)
 
  Moderate
 
  Moderate
35 35