泰州市环境空气质量现状及原因分析

Analysis on Current Situation and Cause of Ambient Air Quality in Taizhou City

为掌握泰州市减排措施实施后空气质量现状及其变化趋势,对泰州市2013—2015年空气质量监测数据进行系统分析。结果表明:受减排影响显著,空气质量有逐步好转的趋势。与2013年相比,2015年泰州市AQI优良率上升7.9个百分点;同时,细颗粒物在综合指数中占比逐年下降。能源结构变化、污染源综合整治是改善空气质量的关键。除此之外,有利的气象条件也是空气质量好转的重要原因。

The air quality monitoring datas were analyzed during 2013 —2015 to find out the current situation and the variation trend of air quality in Taizhou after emission restrictions.The results showed that the overall air quality of Taizhou had been getting better gradually after emission restrictions.Compared with 2013,the excellent and good rate of AQI had increased 7.9 percentage points in 2015. At the same time,the rate of PM2.5 in the air quality comprehensive index had declined year by year.The structure adjustments of anergy,as well as the comprehensive realignment of the pollution sources were very important to improve air quality.In addition,favorable weather conditions was also the important reason for air quality improvement.