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。
Results: the exhaust pollutant in the main roads in Chongqing exceed the national environmental health standard.
基地位于太姥山风景区内，无工业污染及远离主要交通干道，生态环境优良，空气、水质均属优质。
The base is located within the Taimushan scenic area, without industrial pollution, and away from main roads, with good ecological environment, and high quality air and water.
对开封市区主要交通干道进行了布点监测，分析评价了主要干道交通噪声污染的现状及其成因，并提出了噪声污染的有关防治对策。
The present status quo of traffic noise pollution in the urban area of Kaifeng was investigated, and some of related control measures for urban traffic noise were proposed.
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