Jeff GilchristWell fitting respirators like N95 masks will do a great job at filtering out the PM2.5 particles from the air if you are outside, but they are not designed to filter out all the smoke related gases. You can learn more about how filtration material in N95s and HEPA filters actually filter out the tiny PM2.5 particles despite them being smaller than the holes in the material ( https://mstdn.science/@jeffgilchrist/109513395114888571 ). 6/
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