New Tesla car comes with a button for biological weapon attacks

Won't help with the sulfur dioxide or ozone (from smog), but filtering out particulates ought to help. At least on long time duration trips, every time you open a door....

Yes, yes, a thousand times yes!

Too expensive for me, but it would be really nice to have. I use only HEPA vacuum cleaners because by definition they suck up a lot of allergenic dust.