Canadian wildfire smoke affects Wisconsin
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Dozens of wildfires remained active Sunday and diminished air quality in parts of Canada and the U.S., according to officials.
Michigan's air, which has been tainted for several days by wafting smoke from Canadian wildfires, is expected to improve over the weekend, state officials said. But don't breathe too deep a sigh of relief, experts warned: Conditions could decline again early next week.
In the upper Midwest of the United States, Michigan, Wisconsin and Minnesota have issued air quality warnings as smoke from the Prairie wildfires is dragged south by a cold front. Those warnings expanded into the Northeast, causing some hazy skies.
11don MSN
Most of the evacuated residents were from Manitoba. Residents in Alberta and Saskatchewan were also relocated.