Significant HONO concentration at a semi-rural site in the Pearl River Delta during a severe pollution period and its impact on atmospheric oxidation capacity

Hui Yun1, Tao Wang1, Weihao Wang1, Chuan Yu1,2, Men Xia1, Likun Xue3, Zhe Wang1, Naiwen Zhang1, Steven Poon1, Yan Zhou4, Dingli Yue4 and Yuhong Zhai4, (1)Hong Kong Polytechnic University, Department of Civil and Environmental Engineering, Hong Kong, China, (2)Shandong University, Environment Research Institute, Ji'nan, China, (3)Shandong University, Environment Research Institute, Jinan, China, (4)Guangdong Environmental Monitoring Center, Guangzhou, China