Wildfire smoke is affecting air quality is Code Red alerts across parts of the U.S. Here's whether N95 and KN95 masks can help protect your lungs.

As wildfire smoke from Canadian blazes continues to degrade air quality across large parts of the United States, health ...

Smoke contains fine particles that can travel deep into the lungs.

As thick smoke from Canadian wildfires blankets much of the Northeast, many people are once again donning masks -- but which is best to protect against the tiny particulates in wildfire smoke? Two ...