Many people choose to wear an N95 mask as a way to reduce exposure to harmful viruses and airborne toxins or pollutants.

To avoid breathing wildfire smoke, it's important to have the right gear. Dust masks, bandanas and damp pieces of cloth won't adequately protect you from inhaling fine particulate matter like PM2.5.

The type of mask matters if you don’t want to inhale harmful pollutants. This is a Kaiser Health News story. Toby Lewsadder stepped outside an Ace Hardware store wearing a simple one-strap dust mask.

Canadian wildfires are causing poor air quality across parts of the U.S., posing a health danger to millions of people. Experts say the air is especially harmful for more vulnerable populations, ...