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Canadian wildfire smoke is causing air quality alerts and advisories across Michigan.
PM2.5 levels are unhealthy in several Michigan cities, prompting recommendations to limit outdoor activities.
Officials expect air quality to improve by the weekend as the smoke dissipates.
Canadian wildfire smoke continues to drift southward, and now is causing increasing air quality issues in Michigan's Lower Peninsula, officials say, as air quality alerts persist in the northern Lower and the Upper peninsulas.
"The Michigan Department of Environment, Great Lakes, and Energy (EGLE) is issuing an Air Quality Advisory for elevated levels of fine particulate (PM2.5) in the Eastern Upper Peninsula of Michigan, along with all counties in the Northern Lower Peninsula. Pollutants with