130 million Americans in the north are under air quality alert, 79 million Americans in the south are under heat alert
130 million Americans in the north are under air quality alert, 79 million Americans in the south are under heat alert
www.nbcnews.com Air quality live updates: Parts of U.S. face smoke from Canadian wildfires as others face severe heat and storms
Much of the American Midwest and Northeast faced unhealthy air alerts because smoke from Canada wildfires continued to blanket the region, while the Southern U.
