Canadian wildfire smoke is drifiting across Michigan. As of July 31, the entire state is under an advisory for unhealthy air.

Smoke from Canadian wildfires remains over the state through Saturday and possibly into Sunday, according to the National Weather Service. Pollutants across the state are expected to be in the Unhealthy for Sensitive Groups (USG, Orange AQI) range with some locations reaching the Unhealthy (Red AQI) range.