Vast portions of eastern Canada and the United States are covered in smoke and haze, as wildfires continue to rage out of control in Quebec.
The smoke has prompted air quality warnings in many cities and towns in Quebec, Ontario and beyond in Canada, and resulted in hazy, apocalyptic skies and warnings in places like New York City and Washington, D.C.
CBC News spoke to experts and consulted recent studies to show the potential health impacts of the smoke in the air — and the extent to which it has spread across eastern North America.
“The levels of air pollution that we’re seeing today are severe
