Best prescription for avoiding wildfire smoke: Stay inside

OHSU expert warns that cloth masks are insufficient for wildfire smoke, may give false sense of security

By Erik Robinson September 10, 2020 Portland, Oregon

A smoke layer hovers over Portland, September 9, 2020.(OHSU/Kristyna Wentz-Graff)

OHSU/Kristyna Wentz-Graff

Portland residents step outside to view the wildfire smoke casting a colored haze over the west side, September 9, 2020. (OHSU/Kristyna Wentz-Graff)

Gopal Allada, M.D., 2020. (OHSU/Kristyna Wentz-Graff)

OHSU/Kristyna Wentz-Graff