Parts of Canada are seeing some of their most unhealthy air yet, and the smoke is likely to move over the United States again this weekend. Events
More than 200 wildfires are raging across Canada, sending a thick blanket of choking smoke through the U.S. Midwest. Experts says climate change means U.S. residents better get used to it. Events
Watch: Canada wildfire smoke drifts into US and across the Atlantic BBC Events
Where are the wildfires in Canada? Maps pinpoint the location of fires and air-quality threats from smoke Fast Company Events
Maps show U.S. air quality and Canada wildfire smoke forecast CBS News Events
Wildfire smoke from Canada triggers air quality advisory in Bay Area KRON4 Events
Wildfires in Canada force over 25 000 to evacuate as smoke spreads over much of the United States The Watchers - Watching the world evolve and transform Events
Smoke pours into the US as Canada wildfires force province’s largest evacuation in ‘living memory’ Yahoo Events
Neighbors in Washington Co., Wi, see and smell smoke from wildfires in Canada Washington County Insider Events
Map: US states could face unhealthy air quality due to Canada wildfires ABC News Events
Maps show Canada wildfire smoke forecast for U.S. as dozens of blazes burn out of control CBS News Events
Canada wildfires force 17,000 to evacuate, with smoke blowing toward U.S. The Washington Post Events