New York City has the worst air quality in the world right now due to smoke from Canadian wildfires. The NYC Department of Health told residents to use an air purifier indoors if possible. The EPA ...

In recent decades, the number and severity of wildfires across Canada has increased due to climate change and a more wildfire-prone landscape. While wildfires can wreak havoc in their immediate area, ...

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 ...

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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 ...

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 ...

An air cleaner can help remove indoor pollutants and reduce the spread of pathogens such as the coronavirus. Washington Post reporter Lena Sun demonstrates how to make a Corsi-Rosenthal box using MERV ...

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 ...