Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air.

Canadian wildfire smoke is drifting across Michigan. As of July 31, there is a statewide advisory for unhealthy air.

Air quality will deteriorate across 12 states through Saturday, mainly in the Upper Midwest, as wildfire smoke pours into the ...

S moke from Canadian wildfires has sent a blanket of smoke over the midwestern United States this weekend. The National ...