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.

An air quality alert was reported by the National Weather Service on Saturday at 10:28 a.m. EDT in effect until Monday at ...

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