Observations of polycyclic aromatic hydrocarbons at Changbai Mountain in Northeast Asia: Characteristics, transboundary transport, and health impacts - Ye Shan; Yifan Li; Lanxin Zhang; An’an Qi; Yujiao Zhu; Yanbin Qi; Lingxiao Yang; Liubin Huang; Jiangshan Mu; Mingxuan Liu; Hongyong Li; Lingli Zhang; et al. (Journal of Environmental Sciences, 2026)