Air Quality Concerns Grow Over Canadian Wildfire Smoke in US

As more than 100 wildfires burn out of control in Canada, the thick smoke is spreading far and fast, blanketing millions in the United States from the Great Lakes to parts of the East Coast and turning skies an eerie orange. Dramatic video shows a freight train in Ontario surrounded by flames with the crew desperately requesting emergency assistance. NBC’s Stephanie Gosk reports for TODAY. » Subscribe to TODAY:    / @today   TODAY brings you the latest headlines and expert tips on money, health and parenting. We wake up every morning to give you and your family all you need to start your day. If it matters to you, it matters to us. We are in the people business. Subscribe to our channel for exclusive TODAY archival footage & our original web series. Connect with TODAY Online! Visit TODAY's Website: https://www.today.com/ Find TODAY on Facebook:   / today   Follow TODAY on Twitter:   / todayshow   Follow TODAY on Instagram:   / todayshow   » Stream TODAY All Day: https://www.today.com/allday About: TODAY All Day is a 24/7 streaming channel bringing you the top stories in news and pop culture, celebrity interviews, cooking, and more. All in one place. #fire #airquality #canada