宜春市中心城区冬季污染特征分析

Analysis of the Characteristics of Air Pollution in Winter in the Central Urban Area of Yichun City

随着城市化进程加快,人口和机动车大量增加,各种污染问题愈加严重,其中大气污染是近几年公众关注的焦点。在此背景下,对宜春市中心城区近4年的空气质量状况进行研究。通过对比空气质量变化、首要污染物变化、污染物质量浓度均值变化和显著性差异变化,分析冬季空气质量总体情况。结果表明,宜春市中心城区冬季空气质量受人为因素影响较大,消除或减弱人为因素,空气质量有明显好转。

With the acceleration of urbanization,population and motor vehicles have increased largely,various pollution problems are becoming more and more serious,among which air pollution has been the focus of public attention in recent years.In this context,the air quality situation in the central urban area of Yichun City was studied for nearly 4 years.The overall situation of winter air quality was analyzed by comparing air quality changes,primary pollutant changes,mean concentration of pollutants,and significant differences.The results show that the air quality of Yichun city center in winter is greatly influenced by human factors.The air quality has improved obviously by eliminating or weakening human factors.