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A cheap, do-it-yourself air purifier is powerful enough to effectively protect a home from free-floating flu and COVID-19 viruses, according to test results from the U.S. Environmental Protection ...

DALLAS — Proper air ventilation and filtration are two important tools in the fight against airborne viruses. Designed during the COVID-19 pandemic, a DIY air purifier known as a Corsi-Rosenthal box ...

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 ...

Our recent article about energy-recovery ventilators (Ventilate Your Home with Minimal Energy Loss) stated that using a “true high-efficiency particulate air (HEPA) filter” in your forced-air heating ...

Toxic wildfire smoke is associated with strokes, heart disease and more. The damage of wildfires can expand far beyond the active blaze, as toxic smoke from Canadian wildfires crosses borders, enters ...

When a faulty electrical transmission line in Butte County led to the Camp Fire in 2018 — and what would become the most destructive blaze in California to date — Thomas Henderson, at the time an ...