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 ...

MIDDLETOWN, Conn. (WTNH) — A representative from the U.S. Environmental Protection Agency visited a Middletown middle school Monday with some exciting news. Since the height of the COVID-19 pandemic ...

TORONTO — This fall, teachers and parents have been sharing photos on social media of do-it-yourself air purifiers that they’ve made for classrooms to help protect kids from COVID-19 transmission. But ...

But really, it was pretty easy. All you need is a window fan, some duct tape, and five of those pleated, cardboard-framed filters that are designed for home forced-air heating systems, as we explain ...

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 ...

Eric Schildge is terrified to go back to school in a few weeks. An 8th grade English teacher in Newburyport, the fear of in-person learning during a pandemic is familiar to him. He was in the ...

SEATTLE — Wildfire smoke is full of small particles that can get into your eyes and lungs causing health problems including chest pain, headaches, or an irregular heartbeat. The Washington Department ...

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 ...

A filter crafted with common hardware store supplies outperformed pricey off-the-shelf air filters in tests performed at an advanced EPA chamber that simulates real-world conditions, a recent study ...