A haze of Canadian wildfire smoke can be seen over Grand Rapids, Mich. on June 5, 2025. The air quality index was above 151, indicating unhealthy air quality. Health experts say exposure to the smoky air can have short- and long-term health consequences. Joel Bissell | MLive.com

Smoke from Canadian wildfires is leading to very unhealthy air quality for much of Michigan, including all of Southeast Michigan. An air quality alert is in effect for all of Southeast Michigan until noon on Friday.

As Canadian wildfires burn, plumes of smoke move across Michigan. Officials issued an air quality advisory on June 6 for the Lower Peninsula.