Hourly measurements of organic molecular markers in urban Shanghai, China: Observation of enhanced formation of secondary organic aerosol during particulate matter episodic periods

Xiao He, Qiongqiong Wang, X. H. Hilda Huang, Dan Dan Huang, Min Zhou, Liping Qiao, Shuhui Zhu, Yingge Ma, Hongli Wang, Li Li, Cheng Huang, Wen Xu, Douglas R. Worsnop, Allen H. Goldstein, Jian Zhen Yu