How Long Vape Smoke Remains in the Air When someone vapes around others they expose them to 'second hand aerosol'. But what happens to that aerosol then? Does it disappear or is it like cigarette smoke and stays around, sticking to Does Vape Smoke Stay On Clothes Does Vaping Leave a Smell on Clothes? Smoke and vapor may disappear but the danger doesn't. That's why it is important to preserve smoke free spaces. Tobacco smoke and vape aerosol cause indoor air pollution increasing risk