Articles | Volume 26, issue 2
https://doi.org/10.5194/acp-26-879-2026
https://doi.org/10.5194/acp-26-879-2026
Research article
 | 
20 Jan 2026
Research article |  | 20 Jan 2026

Investigating the mechanism of typhoon tracks on ozone pollution episodes in Guangdong, China

Xi Chen, Xiaoyang Chen, Long Wang, Shucheng Chang, Minhui Li, Chong Shen, Chenghao Liao, Yongbo Zhang, Mei Li, and Xuemei Wang

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Cited articles

Chen, X., Liu, Y., Lai, A., Han, S., Fan, Q., Wang, X., Ling, Z., Huang, F., and Fan, S.: Factors dominating 3-dimensional ozone distribution during high tropospheric ozone period, Environ. Pollut., 232, 55–64, https://doi.org/10.1016/j.envpol.2017.09.017, 2018. 
Chen, X., Wu, L., Chen, X., Zhang, Y., Guo, J., Safieddine, S., Huang, F., and Wang, X.: Cross-Tropopause Transport of Surface Pollutants during the Beijing 21 July Deep Convection Event, J. Atmos. Sci., 79, 1349–1362, https://doi.org/10.1175/JAS-D-21-0115.1, 2022a. 
Chen, X., Wang, N., Wang, G., Wang, Z., Chen, H., Cheng, C., Li, M., Zheng, L., Wu, L., Zhang, Q., Tang, M., Huang, B., Wang, X., and Zhou, Z.: The Influence of Synoptic Weather Patterns on Spatiotemporal Characteristics of Ozone Pollution Across Pearl River Delta of Southern China, J. Geophys. Res.-Atmos., 127, 1–17, https://doi.org/10.1029/2022jd037121, 2022b. 
Chen, Y., Lu, X., and Fung, J. C. H.: Spatiotemporal source apportionment of ozone pollution over the Greater Bay Area, Atmos. Chem. Phys., 24, 8847–8864, https://doi.org/10.5194/acp-24-8847-2024, 2024. 
Chen, Z., Liu, J., Cheng, X., Yang, M., and Wang, H.: Positive and negative influences of typhoons on tropospheric ozone over southern China, Atmos. Chem. Phys., 21, 16911–16923, https://doi.org/10.5194/acp-21-16911-2021, 2021. 
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Short summary
Typhoons moving north near China create ozone pollution in Guangdong by combining strong sunlight with stagnant air. These tyhoons also push ozone-rich air from high altitudes down to ground level. When multiple north-moving typhoons occur back-to-back, they cause widespread and long-lasting ozone pollution. Vertical air currents during these events can contribute up to 16 % of boundary layer ozone.
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