Not Legal Advice: Yes! According to Edmunds, in 2013, three states — Illinois, Oregon and Utah — enacted state-wide bans on smoking in vehicles carrying children. Between 2006 and 2011, Arkansas, California, Louisiana and Maine led the trend.
Dr. Matthew M. Davis, director of the C.S. Mott Children's Hospital National Poll on Children's Health said in a statement that "Smoke is a real health hazard for kids whose lungs are still developing, and especially for kids who have illnesses like asthma where the lungs are particularly fragile and flare up when exposed to second-hand smoke."
And according to the California Environmental Protection Agency, second-hand smoke in cars can be 10 times more concentrated than the level considered unhealthy by the U.S. EPA — even if the windows are open.
From USA Today, Scientists are raising concerns about the effects of e-cigarettes' "secondhand vapor" on children. Find out more here.