[SkyDancer]

If you can smell any odor wearing a mask, it is not working.

[reformedliberal]

If you can smell any odor wearing a mask, it is not working.
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You can blow out a lighter through an N95.

Try it.

[IamConservative]

“If you can smell any odor wearing a mask, it is not working.”

Wearing a mask certainly puts one more in touch with their breath.

My rule: “If you can smell the fart, you should be further apart.”

[Svartalfiar]

If you can smell any odor wearing a mask, it is not working.

That's a very bad argument to make. You typical N95 mask is designed to filter out 95% of particles .3microns (micrometers) or larger. Most odor molecules are a couple nanometers to hundreds of picometers in size. Coronaviri are mostly around 125 nanometers. But, they aren't free-floating, there's generally large numbers of them encased in aerosolized droplets from you breathing, which can be anywhere from .5 microns to molecule sized.

To put those in the same units:
Mask filter: 300nm
Coronavirus: 125nm
Odor molecules: .1-5nm