P95 and N95 are rating classifiers for masks manufactured to keep people from inhaling dust and other small particles in unsafe environments.

Safety Precautions You Can Take , if Wildfire Smoke Is Impacting Your Area. N95 masks have been found to block at least 95% ...

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.

Editor's note: This story has been updated to reflect the current wildfire smoke conditions in the U.S. The original story was published Jan. 8, 2025. Smoke from Canadian wildfires continued to prompt ...