There are many face masks to choose from, but according to the Centers for Disease Control and Prevention, properly fitting respirators offer the most protection. Experts say N95 respirators are the ...

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As wildfire smoke from Canadian blazes continues to degrade air quality across large parts of the United States, health ...

The city is giving out free KN95 masks at hundreds of locations. Do they help with poor air quality? Here's what to know.

Wearing a face covering correctly and consistently remains one of the most effective ways to prevent contracting and spreading COVID-19. Given the most recent surge in Omicron variant infections in ...

As multiple wildfires burn across Canada and the western U.S., millions are being exposed to the dangers of smoke inhalation.