Wildfire smoke can seep inside through the cracks and crevices of a home. To prevent health risks, filtration is key, experts say.

By Kiley Price

Throughout May, more than 140 wildfires have burned across Alberta and British Columbia. On Sunday, the thick, ashy haze billowing from these infernos drifted across the U.S. border, casting a blanket of smoke over Minnesota and Wisconsin, which eventually made its way to Iowa and other parts of the Midwest earlier Tuesday morning.