| The monitoring dataofthree kindsofpollutants,asSO 2 、NO 2 、PM 10 ,fromJuly 2001toJune2002,in three monitoringsitesin Nanjingas Maigaoqiao(industrialarea),Chaochangmen(residentarea) and Xuanwuhu(clean erarea),werecountedin accordance withtimeperiod. The daily change andrelationship ofthree kindsofpollutants were discussed. The mainreasonsof daily changeofairpollutantsincludedthe daily changeofair diffusion and the pollutant ’ semission. |
