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 Is Vaping Eco Friendly? Environmental Impact vs. Smoking Do Vapes Set Off Smoke Alarms? What You Should Know How Long Does Vape Smoke Stay in the Air After Vaping Indoors? Vaping Safety, Smoking, Dangers, Pros, Cons, Debate, E cigarettes, & Tobacco Britannica