The most effective protection remains to stay indoors and limit outdoor activity during smoky conditions. Those who must be outside should take frequent breaks, as breathing through respirator masks ...

Thousands of people who bought the "N95-grade" Razer Zephyr face mask during the Covid-19 pandemic are finally getting a refund for the dodgy mask, months after US agencies ordered a $1 million payout ...

We're hearing a lot of questions about what health risks we now have because of the ongoing wildfire crisis. So we wanted you to know about a webinar scheduled for tomorrow made up of health ...

An N95 or P100 mask can help provide protection from the ash, according to health officials. The Palisades and Eaton fires, the biggest in the region, were no longer pumping out massive amounts of ...

Tests conducted by a contractor hired by Razer showed that "the assembled device failed to perform to the N95 standard of 95 percent or greater PFE [Particulate Filtration Efficiency]," the ...

Residents can collect free N95 masks at Los Angeles Public Libraries, Recreation Centers, Senior Centers, and through local nonprofit organizations. Watch: Moment Hamas releases four Israeli ...

Pollution is a hugely complex mix of gaseous and particulate components that differ depending on the source. Vehicle exhaust and industrial manufacturing are major sources of particles of various ...

"These businesses falsely claimed, in the midst of a global pandemic, that their face mask was the equivalent of an N95 certified respirator," Samuel Levine, director of the FTC's Bureau of ...

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“Infection generally requires that the virus is carried by some other particle, so respirators ... out particulate matter, according to Vance. The only difference between N95 and KN95 masks ...