Air Quality / By State / Illinois
Air Quality in Illinois
14 monitoring stations in Illinois reporting in the last 3 hours, worst air quality first.
Decatur
PM2.5
Moderate82
St. Louis (Metro-east)
PM2.5
Moderate80
Springfield
PM2.5
Moderate72
Peoria
PM2.5
Moderate66
Bloomington and Normal
PM2.5
Moderate65
Champaign
PM2.5
Moderate63
Rock Island-Moline
PM2.5
Moderate61
Joliet and Will County
PM2.5
Good49
South and West Suburbs (Chicago)
PM2.5
Good43
Aurora and Elgin
PM2.5
Good38
Chicago
PM2.5
Good37
North and West Suburbs (Chicago)
PM2.5
Good33
Lake County
OZONE
Good29
Rockford
OZONE
Good20
Current AirNow data are preliminary and may be revised. Source: EPA AirNow.