NEW YORK — 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 a ...

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 ...

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The Corsi-Rosenthal box, invented by Richard Corsi and Jim Rosenthal, is an effective air purification system that can help remove droplets containing viruses in them from the air by sucking air into ...