Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 26, issue 20
Articles | Volume 26, issue 20
https://doi.org/10.5194/acp-26-15101-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-26-15101-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 20
Research article
 | 
28 Oct 2026
Research article |  | 28 Oct 2026

Evolution of firework-related barium aerosols: insights from single-particle analysis and mass concentration monitoring

Xiufeng Lian, Chenglei Pei, Wei Sun, Chen Lv, Kunlun Huang, Lei Lei, Bo Huang, Chunlei Cheng, Guohua Zhang, Xinhui Bi, Zhen Zhou, and Mei Li

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Short summary
Fireworks release metal-rich particles that affect air quality. We tracked barium from fireworks in Guangzhou, China. Barium levels rose up to 1000 times above background, with the highest peaks at a suburban site where fireworks were restricted. Single-particle measurements showed that barium particles rich in chloride transformed into nitrate-rich particles within hours and mixed with other mineral particles. This means firework particles continue to change after they are released.
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