摘要
Major causes of haze pollution in Xi'an City were discussed firstly, and current situation of air pollution caused by vehicle exhaust in Xi'an City was analyzed. Finally, countermeasures against haze pollution in Xi'an City were put forward, such as strictly implementing I/M ( Inspection/ Maintenance) system of in-use vehicles in Xran City, and paying more attention to in-use vehicles with high pollution to reduce haze.
Major causes of haze pollution in Xi'an City were discussed firstly, and current situation of air pollution caused by vehicle exhaust in Xi'an City was analyzed. Finally, countermeasures against haze pollution in Xi'an City were put forward, such as strictly implementing I/M ( Inspection/ Maintenance) system of in-use vehicles in Xran City, and paying more attention to in-use vehicles with high pollution to reduce haze.