Canadian wildfire smoke will once again engulf the entire state of Minnesota for about 48 hours, beginning early Thursday and lasting until late Friday.
Air polluted by the Canadian wildfires is back in the United States this week. There are nearly 900 wildfires burning across Canada, but the smoke this week will be coming from the western part of the country.
Just as summer camp and pool season was getting into full swing, many Pittsburgh-area kids saw their outdoor activities put on pause — at least for a day.
