Health
Are N95 Masks Helpful for Wildfire Smoke? – The New York Times
Friday: People with respiratory illnesses may be more vulnerable right now. Also: Are N95 masks recommended for wildfires?
Dr. Noble cautions against the use of N95 masks with exhalation valves. Although they are effective in filtering out particles from smoke, the valves let the wearers breath escape the mask, thus posing a risk for spreading Covid-19. If the mask contains an exhalation valve, she said you should wear a surgical mask over it.
If you are feeling the effects of smoke, you should try other means of exposure reduction first.
In its guide for wildfire smoke, the Environmental Protection Agency advised…
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