Fluoropolymer manufacturing facility (FMF) has been regarded as a main source of perfluoroalkyl and polyfluoroalkyl substances (PFAS) in the atmosphere. In this study, suspect screening was performed to identify emerging PFAS in gas, particles, and dust both inside and outside a large FMF in China. A total of 74 emerging PFAS were tentatively identified with a confidence level of 3 or higher, 32 of which were reported in the environment for the first time. The semi-quantitative concentrations of the emerging PFAS, with perfluoroalkyl ether carboxylic acids (PFECAs) and Cl-PFECAs being predominant, accounted for 21-95% (mean: 46%) of the combined concentrations of emerging and legacy PFAS. Although the PFAS concentrations in the atmosphere decreased rapidly by more than 95% within 5 km, short-chain PFAS in PM