【摘要】 基于环境空气质量监测数据和气象观测数据,对2019年9月江西省一次空气质量下降原因进行了综合分析。结果表明:全省平均降雨量较去年同期大幅度下降;全省平均日照时数较去年同期上升明显。降雨量减少、平均日照时数上升是导致9月全省空气质量恶化的主要原因;部分站点数据同比偏高也是另一原因。更多还原

【Abstract】 Based on the monitoring data of surface water in 2016-2018,this paper analyzes the change trend of surface water quality in Jiangxi Province. The research shows that: the proportion of excellent water quality(Ⅰ-Ⅲ) in the section( point) of Jiangxi Province is 90. 7%,and the proportion of excellent water quality is increasing year by year; the total phosphorus and total nitrogen of main pollutants are increasing. It is suggested that the province should continue to strengthen the discharge of major pollutants such as total phosphorus and total nitrogen.更多还原