CMAQ model input (in netCDF format) for investigating enhanced SOA treatment. This dataset is not publicly accessible because: created and own by corresponding authors. It can be accessed through the following means: The datasets used in this study can be obtained upon request from the corresponding author Li Li (Lily@shuu.edu.cn). Format: model input for CMAQ in netCDF format. This dataset is associated with the following publication: Su, Q., D. Wong, Y. Wang, K. Zhang, T.N. Skipper, S. Farrell, L. Huang, Y. Chen, Y. Yi, J. Tan, H. Pye, and L. Li. Enhanced Isoprene Secondary Organic Aerosol Formation with C5-alkene Triols Newly Added to Current Chemical Mechanisms. ACS ES&T Air. American Chemical Society, Washington, DC, USA, 2(9): 1939–1950, (2025).