Urban Air Quality Grade Evaluation Based on Cluster Analysis

Abstract:

Understanding the air quality grade difference among cities in our country plays a role in promoting the improvement of the city air quality and the sustainable development of human environment. This paper analyzes the air quality of the main 31 cities in China with the methods of cluster analysis and correspondence analysis, and according to the index related to air quality, cluster analysis classifies these areas air quality into 5 kinds. The result shows that Haikou and Lhasa rank top 2 in air quality, but Lanzhou and Urumqis air has been polluted most heavily.

• Periodical: Applied Mechanics and Materials (Volumes 522-524)
• Pages: 231-234
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.522-524.231
• Online since: February 2014
• Authors: Xin Yan Li, Yan Wang*, Hui Zhang, Hong Jing Chen, Jing Tian Zhang
• Keywords: Air Quality, Cluster Analysis, Correspondence Analysis, Urban Environment

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