N95 masks can be used to combat poor air quality: Expert
D.C. was smothered with some of the worst air we’ve seen in more than a decade. As wildfires rage in Canada, our FOX 5 meteorologists say it could get worse before it gets better. FOX 5's Jacqueline Matter reports from the National Mall after talking with people about their experience.
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N95 masks can be used to combat poor air quality: Expert

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