The Department of Environmental Protection of Guangdong Province issued 2015 Guangdong City Environment Air Quality Condititon and Ranklist.The five upper cities in this ranklist are Shanwei, Zhanjiang, Huizhou, Maoming and Yangjiang. The average qualified rate for 2015 Guangdong City Air Quality Index is 91.1% and 15 cities including Yangjiang reached the standard.