What kind of masks protect from wildfire smoke?

(NewsNation) — With nearly 3000 acres burning in Califonia, health experts say N95 respirator masks offer the best protection against harmful wildfire smoke, provided they are worn correctly and fit properly.The masks, readily available at hardware stores and pharmacies, can filter out fine particles found in smoke that can irritate eyes, nose, throat and lungs, according to public health officials.However, they do not protect against hazardous gases sometimes present in smoke.Health offic