While health experts urge people with preexisting health conditions like asthma to stay indoors when the AQI rises above 144, and above 172 for everyone else, remaining indoors is less helpful when wi
ndows or doors are left open or a space is not well sealed. Harmful air particles born of wildfire smoke have a way of slipping into indoor spaces, and health officials advise the use of air purifiers that use HEPA filters.It's no coincidence that health experts advised using N95 masks during the coronavirus pandemic as well to protect oneself against wildfire smoke.
"N95 masks offer the highest level of protection because they protect against both large and small particles rather than just large particles," during the pandemic. That's because N95s"are made of multiple layers of a synthetic fiber called polypropylene and if they are worn as instructed, they block 95% of particles in the air from passing through," Edie added.or run an errand, wear an N95 if you can. Better yet, order them online rather than trekking out to a hardware store.While the hazardous air seemed to descend on the East Coast with little warning, it may not abate just as quickly.
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