Air Quality Alert
until SAT 1:15 PM CDT, Central Cook County, DeKalb County, DuPage County, Eastern Will County, Grundy County, Kane County, Kankakee County, Kendall County, La Salle County, Lake County, McHenry County, Northern Cook County, Northern Will County, Southern Cook County, Southern Will County, Lake County, Newton County, Porter County, Jasper County
