Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 19, issue 6
Articles | Volume 19, issue 6
https://doi.org/10.5194/gmd-19-2531-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-19-2531-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 6
Model evaluation paper
 | 
31 Mar 2026
Model evaluation paper |  | 31 Mar 2026

Application and evaluation of CRACMM v1.0 mechanism in PM2.5 simulation over China

Qingfang Su, Yifei Chen, Yangjun Wang, David C. Wong, Havala O. T. Pye, Ling Huang, Golam Sarwar, Benjamin Murphy, Bryan Place, and Li Li

Supplement

https://doi.org/10.5194/gmd-19-2531-2026-supplement

Data sets

Dataset2 for "Application and Evaluation of CRACMM Mechanism in PM2.5 Simulation Over China" Q. Su and Y. Chen https://doi.org/10.5281/zenodo.18222704

MEGAN 3.2 input files [Data set] A. Guenther https://doi.org/10.5281/zenodo.10939297

Model code and software

CMAQ US EPA Office of Research and Development https://doi.org/10.5281/zenodo.7218076

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Short summary
This study evaluated the PM2.5 simulation by the latest Community Regional Atmospheric Chemistry Multiphase Mechanism (CRACMM) mechanism coupled with the Community Multiscale Air Quality (CMAQ) model, covering different seasons and specific regions over China. Modelling results derived by CRACMM are compared with two well-established chemical mechanisms. The research findings provide a solid foundation for the further application of CRACMM in understanding and regulating air pollution globally.
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