New research shows that not all standing positions in airport smoking lounges are created equal. Scientists found that the thermal environment and positioning of smokers influences how particles settle in the room. Additionally, smokers seated farther from ventilation inlets experience the lowest levels of pollution in the room. The researchers created a smoking room using computational models and placed heated and unheated manikins in the room to simulate smokers. They also modeled the ventilation system with three exhaust air diffusers.