辽宁省主要大气污染物浓度历史变化趋势分析

Analysis of Historical Change Trend of Main Atm ospheric Pollutant Concentration in Liaoning Province

根据2006—2016年辽宁省PM_(10)、PM_(2.5)、SO_2和NO_24项主要污染物浓度大小,判断各项污染物的变化趋势。分析得出各项污染物浓度整体均呈下降趋势。

According to the concentration of four main pollutants of PM10、PM2. 5、SO2 and NO2 in Liaoning Province from 2006 to 2016, the change trend of pollutants was judged. The results showed that the concentration of all pollutants showed a decreasing trend as a whole.