That would likely run into problems with anti-mask laws. However, it might be possible to either skirt around it with socially acceptable masks (e.g. smog mask

That would likely run into problems with anti-mask laws. However, it might be possible to either skirt around it with socially acceptable masks (e.g. smog masks) or to get away with it if one is a member of a more privileged group. https://en.wikipedia.org/wiki/Anti-mask_laws https://en.wikipedia.org/wiki/Anti-mask_laws