Does Vaping Cause Secondhand Smoke? Can You Get Second Hand Smoke From Vape Differing Opinions About Second Hand Vape Exposure Despite widespread smoke free policies in California, rates of recent exposure to secondhand tobacco smoke, vape aerosol, and cannabis smoke among adults aged 1864 have been slowly increasing since 2020, with vape exposure Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA What is Thirdhand Smoke? Thirdhand Smoke Resource Center