From mental health impacts to heightened risk of infections, recent studies underscore the myriad ways in which smoke ...

Lightning, which is more common in hotter temperatures, is usually the cause of wildfires that burn the most land. In 2023, ...

Parts of Canada are seeing some of their most unhealthy air yet, and the smoke is likely to move over the United States again ...

The state Department of Environmental Conservation has issued an air quality health advisory for Sunday due to smoke from ...

Canadian wildfires, along with high temperatures, are partly to blame for hazy skies and foul air. But passing storms may ...

As hundreds of wildfires burn across Canada, smoke is traveling south and potentially affecting Americans’ health. Here's why ...

Smoke from the Canadian wildfires continues to bring potentially dangerous air quality to parts of the northern U.S., with ...

Smoke from Canadian wildfires is engulfing much of the eastern and central United States and and is expected to continue for ...

Smoke will likely be an ongoing health hazard across North America for the next few months. Here's what to expect.

Smoke from wildfires burning in three Canadian provinces covered about a third of the U.S. on Wednesday, forecasters said, ...

Smoke from wildfires in Canada has spread more than 5,000 miles, reaching parts of Russia and Europe during the past week.

Canada is having another bad wildfire season, and more than 27,000 people in three provinces have been forced to evacuate.