CHICAGO (WLS) -- An air quality alert has been extended for part of the Chicago area through Thursday. The alert for McHenry, Lake, Kane, DuPage, Kendall, Grundy, Cook and Will counties in Illinois ...

The National Weather Service issued air quality alerts on Monday for millions of Americans in Wisconsin, Michigan, ...

When wildfires burn, the smoke can travel long distances and degrade air quality far away, which presents risks for those ...