Application of Analytic Hierarchy Process to Evaluation on Quality of Atmospheric Environment in Nanjing City

Analytic hierarchy process was employed to analyze the atmospheric environmental quality in Nanjing City China. The supervision results of atmospheric pollutants during 2004 and 2014 show that Nanjing atmospheric environmental quality is generally favourable, but the effects of NO2 and PM10 are becoming increasingly serious. It is suggested that to control car exhaust and other sources of pollution including construction dust is vital to improve the quality of atmospheric environment in Nanjing City.