Analysis of Factors Affecting Soot Pollution in Shanghai City Based on Grey Relational Theory

Abstract

With the development of economy and society, people's demand for air quality is getting higher and higher. Dust emission pollution is an important factor affecting air quality. By using the method of grey relation analysis, the factors influencing the pollution degree of smoke and dust in Shanghai City city were analyzed. The results show that, in accordance with the influence factors for air quality from big to small order, influence factors are as follows: environmental protection input, total GDP, energy consumption quantity, population and the number of civilian vehicles. Therefore, in order to reduce dust pollution in Shanghai City, it is necessary to increase investment in environmental protection, improve the economic structure, reduce energy consumption and optimize the structure of energy consumption, control the number of population and reduce the amount of automobile use.