With the reddish-orange skies and smoke-filled air, Californians who had previously never heard of PM2.5 pollution are quickly learning about the Air Quality Index and what they need to do to protect ...

NEW YORK (AP) — Social media users are sharing a surprisingly effective way to protect yourself indoors from the toxic wildfire smoke blanketing much of the East Coast: a box fan, four air filters and ...

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Do-it-yourself air filters are safe, effective and can be used to protect your lungs from California wildfire smoke. Wildfire smoke is harmful and can stretch hundreds of miles. The smoke from the ...