Should I Be Concerned About Secondhand Vaping? Thirdhand Smoke Resource Center Protecting Californians Can you get second hand smoke from a vape Secondhand Vape Exposure: Effects, Who's at Risk, and More 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 Tobacco Smoke, Vaping, and Asthma AAFA.org