When Air Quality's Bad, Which Mask Can I Wear for Wildfire Smoke? | KQED

The best mask for protecting oneself from wildfire smoke is an N95. That's also the best mask for protecting oneself from coronavirus," UCSF pulmonologist and professor of medicine Dr. John Balmes said.

"If an N95 respirator makes you feel better, wear it. If you feel worse, please don't!" Vien said.

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