Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 25, issue 17
Articles | Volume 25, issue 17
https://doi.org/10.5194/acp-25-9601-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-25-9601-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 25, issue 17
Research article
 | 
01 Sep 2025
Research article |  | 01 Sep 2025

Influencing factors of the gas–particle distribution of oxygenated organic molecules in the urban atmosphere and deviation from equilibrium partitioning: a random forest model study

Xinyu Wang, Nan Chen, Bo Zhu, and Huan Yu

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Short summary
Gas–particle partitioning governs the fate of organic molecules and the formation of organic aerosols in the atmosphere. Based on field measurement data, we built machine learning models to predict gas–particle partitioning. We also unveiled previously unrecognized interactions that led to the deviations of partitioning from the equilibrium state under real atmospheric conditions. Our study provided valuable insights for future research in atmospheric chemistry.
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