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

Be prepared for hazy conditions and an air quality alert as Canadian wildfire smoke continues to affect the state through Saturday.

There is an air quality alert for all of Southeast Michigan until midnight Saturday, the Michigan Department of Environment, Great Lakes and Energy reported. Pollutants across the state are expected to be in the Unhealthy for Sensitive Groups (USG, Orange AQI) range Wednesday and Thursday, with some locations reaching the Unhealthy (Red AQI) range.