Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.  Air quality alerts were in effect Tuesday in several states, including Michigan and New York.

Smoke from ongoing wildfires across Canada continued to drift into parts of the United States on Wednesday, causing hazy skies and triggering air quality alerts in multiple states across the upper Midwest and Northeast.

Wildfires burning in Canada were causing unhealthy air quality across parts of North America on Monday. By Judson Jones Judson Jones is a meteorologist and reporter for The Times. Canadian wildfires burning across northern Manitoba and Saskatchewan are sending smoke through central Canada,