摘要
Statistical analysis was performed on 678 data of 6 key indices on air pollution in 113 key cities on basis of China Statistical Yearbook in 2015.Besides,factor analysis was then performed with SPSS17.0 to make overall assessment on air quality in different cities.The results showed that air pollution is quite severe in varying degrees in different cities and the research is expected to provide references for air pollution control in key environment protection cities.
为了解我国重点城市空气质量现状,本文对《中国统计年鉴(2015)》中113个重点城市的空气污染的6个重要指标共678个数据进行统计分析。利用SPSS17.0进行因子分析,对各个城市的空气质量进行综合评价。综合评价结果显示各个城市空气质量现状不容乐观,均存在一定程度的污染,借此希望对改善我国环保重点城市的空气污染问题提供帮助。
