Air Quality / By State / Illinois
Air Quality in Illinois
14 monitoring stations in Illinois reporting in the last 3 hours, worst air quality first.
St. Louis (Metro-east)
PM2.5
Moderate70
South and West Suburbs (Chicago)
PM2.5
Moderate60
Decatur
PM2.5
Moderate59
North and West Suburbs (Chicago)
PM2.5
Moderate57
Bloomington and Normal
PM2.5
Moderate55
Springfield
PM2.5
Moderate55
Rockford
PM2.5
Moderate54
Aurora and Elgin
PM2.5
Moderate53
Chicago
PM2.5
Moderate52
Champaign
PM2.5
Moderate52
Joliet and Will County
PM2.5
Good49
Rock Island-Moline
PM2.5
Good49
Lake County
PM2.5
Good47
Peoria
OZONE
Good33
Current AirNow data are preliminary and may be revised. Source: EPA AirNow.