Wildfire smoke is like smoking 'half a pack a day.' Here's how to protect yourself

People play rugby in the hazy weather on July 27, 2025 in New York City. There are currently smoke advisories across the Midwest and Northeast as a result of wildfires in Canada.

As Canadian wildfires spread smoke across the U.S. the air pollution is dangerous to health. But there are ways to protect yourself. Here's what to know**.**

(Image credit: Liao Pan/China News Service)