Air quality in US impacted by Canada Wildfires
Yankee Stadium smoke: See how Canadian wildfires created eerie scene for Yankees vs. White Sox game
Smoke envelopes eastern US for second day Here's why there is so much in the air – Times News Online
Toronto, New York and Washington blanketed by smoke from Canadian wildfires - ABC News
19 Surreal Photos Show Canadian Wildfire Smoke Spread Across Northeast
US East Coast Continues to Grapple with Wildfire Smoke Billowing from Canada
Hazardous air quality hit NYC as smoke moves from Canada wildfires - The Washington Post
NYC air quality reaches hazardous levels due to Canadian wildfires: residents told to stay indoors
Canada wildfires smoke: climate change 'accelerated conditions', says New York mayor as Canada battles more than 400 blazes – as it happened, Wildfires
Canada wildfires clouds New York City sky for Yankees game
Photos: Extreme Canadian wildfire smoke shrouds parts of U.S.