NewsNation17h
As wildfires burn in LA County, what to know about protective masks
Certain masks are effective in protecting against wildfire smoke — but only if they are fitted and worn properly ...
In Los Angeles, people snap up air filters and wear masks against smoke pollution
With levels of sooty air pollution far too high across swaths of the Los Angeles area, Dana Benton is sleeping with a mask on ...
How to test your N95 at home to see if it’s leaking or working properly
NIOSH-approved N95 respirators are the most protective type of face mask, according to the CDC. Doctors explain how to shop ...