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In response to
"I'm guessing cotton masks don't do squat to filter out smoke, right? -- nm"
by
Beryllium
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One major thing to avoid with unhealthy air quality is physical exertion
Posted by
con_carne
Sep 8 '20, 11:37
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You pretty much have your excuse to not go on that walk today, for example.
WRT the masks, I wanna say it helps a lot of they're double layered. But if the reason you're putting it on is to go outside, then the correct answer is to not go outside.:)
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