交通干道两侧的环境空气直接受到机动车排放污染物的影响，交通干道环境空气质量监测是评估城市机动车污染排放程度的有效方法。选取辽宁省部分重点城市开展了道路空气质量监测，通过特征污染物的监测结果，对交通干道空气质量进行了分析评价。同时针对道路空气质量监测中存在的问题，就减轻交通干道环境空气污染提出相应的对策和建议。%The air quality of both sides in the main line are directly affected by the vehicle emissions, ambient air quality monitoring is an effective method for evaluation of urban vehicle emission. Selects the part of the key cities in Liaoning Province to carry
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