Articles | Volume 21, issue 3
Atmos. Chem. Phys., 21, 2229–2249, 2021
https://doi.org/10.5194/acp-21-2229-2021
Atmos. Chem. Phys., 21, 2229–2249, 2021
https://doi.org/10.5194/acp-21-2229-2021

Research article 15 Feb 2021

Research article | 15 Feb 2021

Insights into particulate matter pollution in the North China Plain during wintertime: local contribution or regional transport?

Jiarui Wu et al.

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Latest update: 23 Sep 2021
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Short summary
A source-oriented version of the WRF-Chem model is developed to conduct source identification of wintertime PM2.5 in the North China Plain. Trans-boundary transport of air pollutants generally dominates the haze pollution in Beijing and Tianjin. The air quality in Hebei, Shandong, and Shanxi is generally controlled by local emissions. Primary aerosol species, such as EC and POA, are generally controlled by local emissions, while secondary aerosol shows evident regional characteristics.
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