Secondhand smoke inside airports puts air travelers and employees at risk

"Average air pollution levels from secondhand smoke directly outside designated smoking areas in airports are five times higher than levels in smoke-free airports, according to a study by the Centers for Disease Control and Prevention. The study conducted in five large hub U.S. airports also showed that air pollution levels inside designated smoking areas were 23 times higher than levels in smoke-free airports. In the study, designated smoking areas in airports included restaurants, bars, and ventilated smoking rooms..."
Second Hand Smoke in Airports