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 Get Thicker Vape Clouds for the Ultimate Cloud chasing Experience Vape 'N Vapor 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 How Long Does Vape Smoke Stay in the Air?