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 Vaping Indoors: How Vaping Affects Indoor Air Quality Thirdhand Smoke Resource Center Protecting Californians Thirdhand Smoke Resource Center Protecting Californians Does Vaping Produce Smoke or Vapor? Ecigator How long does vape smoke stay in the air? Al Bawaba