遂宁市主城区环境空气质量现状及原因分析研究

利用遂宁市2017年1月份4个国控环境空气自动监测数据,分析了遂宁市主城区环境空气质量现状,与整个成渝地区和周边城市的空气质量进行了横向比较,并阐述了遂宁市空气质量变化的原因.结果发现遂宁市主城区2017年1月份空气质量指数的范围为32～203,优良率为54.8％,首要污染物为PM2.5,空气质量同比下降了22.8％,环比下降了26.1％,但均显著优于成渝地区和周边城市的平均水平,并从4个方面阐述了空气质量下降的原因.最后,根据遂宁市大气污染现状,提出了4条针对性的防治措施.

Ambient Air Quality Status and Reason Analysis of Suining City Urban Area

Ambient air quality status was analyzed by using the automatic monitoring data from four state control points in Suining during January 2017.The air quality of Suining was compared with that of Chengdu-Chongqing Region and the surrounding city.The causes of Suining air quality change were expounded.The results indicated that the air quality index rang of Suining city urban area was from 32 to 203 in January 2017, the air qualification rate was 54.8％, and the primary pollutant in air was PM2.5.The air quality of Suining decreased 22.8％ year-on-year, fell by 26.1％.But the air quality of Suining was significantly better than the average values of Chengdu-Chongqing Region and the surrounding city.The reason of the poor air quality was analyzed by four factors.Finally, according to the air pollution status of Suining city, the four corresponding measures were put forward.