Canada is currently experiencing its worst wildfire season ever, and on Monday smoke from the hundreds of blazes once again drifted across the border into the United States, prompting another round of air quality warnings.
Canada wildfire smoke prompts U S air quality alerts for 70 million residents in 32 states peoplesworld.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from peoplesworld.org Daily Mail and Mail on Sunday newspapers.
Canada is currently experiencing its worst wildfire season ever, and on Monday smoke from the hundreds of blazes once again drifted across the border into