Development of an Aggregate Air Quality Index Using a PCA-Based Method: A Case Study of the US Transportation Sector
Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=54079#.VO1rVSzQrzE Author(s) Jaesung Choi 1 , Yong Shin Park 1 , Ju Dong Park 1* Affiliation(s) Upper Great Plains Transportation Institute, North Dakota State University, Fargo, ND, USA . ABSTRACT For the past couple of decades, the transportation sector has made efforts to preserve and improve air quality for public health and sustainable growth between current and future generations. An easily understandable tool to measure the level of air pollution in the transportation sector by considering multiple air pollutants together might raise awareness about clean air to the public, practitioners, state policy planners, and the government. For this reason, this study develops an aggregate air quality index to help prepare decision makers, which could rank a state according to the different levels of multiple air pollutants. The index is developed for...