The EPA's Air Quality Index can tell you whether breathing outside air can be harmful. Here's how to read the scale to plan accordingly in Michigan.

The Michigan Department of Environment, Great Lakes, and Energy (EGLE) has issued an Air Quality Alert for coastal Michigan counties Thursday.

An Air Quality Alert will be in effect through midnight Tuesday for Southeast Michigan, the state's Department of Environment, Great Lakes and Energy announced Monday. The alert is an extension of an existing alert that was issued statewide Saturday and expected to expire Monday night because of drifting wildfire smoke from Canada.