【摘要】 目的:探讨重庆市机动车尾气污染状况,为研究其对人群健康的影响提供依据。方法:测定重庆市主要交通干道空气中铅含量、苯并(a)芘[B(a)P]浓度、总悬浮颗粒、PM10、PM2.5和PM1浓度并进行相关分析。结果:重庆市各主要交通干道尾气污染物浓度均超过国家环境卫生标准。结论:该市应采取措施控制机动车尾气污染环境。更多还原

【Abstract】 Objective:To discuss the exhaust pollution of vehicles and to provide the basis for research of its influence to people’s health in Chongqing.Methods:The concentration of lead,B（a）P,TSP,PM₁₀,PM_2.5 and PM₁ in the air of the main roads were measured and analyzed.Results:The exhaust pollutant in the main roads in Chongqing exceed the national environmental health standard.Conclusion:It is necessary to take measures to control the vehicle exhaust pollution and its harmfulness effect on people’s health.更多还原