三明市区环境空气质量及变化趋势研究

Study on Environmental Air Quality and Its Changing Tendency in Sanming Urban Area

通过三明市区8年的环境空气监测数据进行分析 ,结果表明 :氮氧化物浓度变化不大 ,二氧化硫、总悬浮颗粒物和降尘呈下降趋势 ,尘类是影响环境空气质量的主要污染因子。市区环境空气质量呈中度污染水平 ,环境空气质量逐年改善 ,2001年取得了明显成效。

We analyzed monitoring data of environmental air quality in Sanming Urbanarea within eight years,the result showed NO X had hardly changed,SO 2 ,TSP and falling dust had tendency to decline,dusts was the main factor of pollution in environmental air quality.Air quality in Sanming Urban area is in the range of middle pollution,and it had been improved year by year.