As multiple wildfires burn in Canada and Minnesota, millions of people are being exposed to hazardous levels of air pollution. “Smoke carries a lot of particulates, and they can range in size,” says ...

As wildfire smoke air quality alerts spreads across parts of the United States, many people are asking the same question: Does wearing a mask actually help protect you from smoky air? Health experts ...

Wildfire smoke from Canada and the northern U.S. is spreading across the Midwest, Northeast and Mid-Atlantic this week, with around 100 million people potentially facing unhealthy air quality, ...

Dear Doctors: We live near Washington, D.C., in the path of wildfire smoke from Canada. Since the smoke traveled so far, is it still a danger to health? My husband spends a lot of time outside for ...

As smoke from hundreds of Canadian wildfires continues to degrade air quality across parts of the Midwest, Great Lakes and Northeast, many Americans may be reaching for the disposable or cloth face ...