Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 25, issue 21
Articles | Volume 25, issue 21
https://doi.org/10.5194/acp-25-14643-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-25-14643-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 25, issue 21
Measurement report
 | 
04 Nov 2025
Measurement report |  | 04 Nov 2025

Measurement report: Unraveling PM10 sources and oxidative potential across Chinese regions based on CNN-LSTM data preprocessing and receptor model

Qinghe Cai, Dongqing Fang, Junli Jin, Xiaoyu Hu, Yuxuan Cao, Tianyi Zhao, Yang Bai, and Yang Zhang

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Short summary
This study analyzed PM10 and oxidative potential (OP) in 12 Chinese regions (Jun 2022-May 2023) via Convolutional Neural Networks and Long Short-Term Memory networks (CNN-LSTM) and Positive Matrix Factorization (PMF) at 4 representative sites. PM10 was higher in the northwest, lower in the northeast; urban areas had higher OP. Most sites showed peak PM10 and OP in winter, lowest in summer. Traffic, biomass burning, and coal combustion were major OP contributors.
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