Atmospheric new particle formation in the eastern region of China: an investigation on mechanism and influencing factors at multiple sites. - Jin, Jiaqi; Cai, Runlong; Liu, Yiliang; Yang, Gan; Li, Yueyang; Li, Chuang; Yao, Lei; Jiang, Jingkun; Zhang, Xiuhui; Wang, Lin (Atmospheric Chemistry & Physics, 2025)