Scientists from the University of Surrey conducted a study and found that traffic jams are harmful to motorists and passengers. This was reported in the journal Atmospheric Environment.
During the study, researchers found that the traffic level of the flue gas harmful to the person in the car with the Windows closed, but the a / C on, higher by 76% than the level of the flue gas while driving. It is from the air-conditioning of flue gases from the street penetrate into the car.
Scientists explain the results of their study that, standing in traffic, the car is surrounded by many other cars – and the number of flue gas around increases. According to the authors of the study, the best way to keep your health is to turn off the air conditioning during traffic jams and, if possible, stand as far away from other cars.