Can You Get Second Hand Smoke from a Vape? Crystal Vape & Crystal Bar & SKE Vape Official Station SHARE: If you smoke or vape in your car in the presence of others especially children you're exposing them to harmful secondhand smoke or aerosol. Cracking windows is NOT enough, Effect of second hand fumes from vaping on young lungs Secondhand smoke and vape can trigger your child's asthma attacks. Smoking and vaping are unhealthy for everyone but especially harmful for people with asthma. Whether at home, in the car, or Secondhand Smoke and Electronic Cigarette Aerosols US EPA