Canada’s Recent Wildfires: Effects on the United States
In
Rapid Response
On
August 6, 2026
Since late June 2026, large-scale wildfires across Canada have sent hazardous smoke plumes into the United States, exposing over 120 million Americans to dangerous air quality levels. This brief examines the scope of the crisis, its public health consequences, and the structural governance gaps it has exposed between the U.S. and Canada.


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