Weather

NY Times -  The strip of dense wildfire smoke can be seen on satellites stretching from the Upper Midwest and Canada, across the Great Lakes, through southern Ontario and New England and down to New York City. Some of it is even traveling out over the Atlantic Ocean and back up to the far eastern coastline of Canada.

Weather forecasters expect the smoke to darken skies again on Thursday across North America. As of Thursday morning, air quality readings surged to dangerous levels in many places, including Chicago, Cleveland, Detroit, Minneapolis and Toronto…

Where is the air quality the worst? The worst air quality was in Minnesota, Wisconsin and Ontario, where the wildfires were actively burning. The U.S. cities that had the worst readings on Thursday morning were Minneapolis, St. Paul, Chicago, Milwaukee, Detroit, Chicago and Cleveland. But the air quality index was likely to reach unhealthy levels as far east as Toronto and New York throughout the day.