During the Games, emergency rooms and hospitals saw a 42% decrease in the amount of asthma related admissions because of the lower levels of air pollution.
A study conducted following the 1996 Atlanta Olympic Games found that expanded public transportation services reduced peak auto use by 22.5% and led to decreased amounts of mobile source emissions from single occupancy vehicles.  During the Games, emergency rooms and hospitals saw a 42% decrease in the amount of asthma related admissions because of the lower levels of air pollution.