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Ke Li, Daniel J. Jacob, Hong Liao, Yulu Qiu, Lu Shen, Shixian Zhai, Kelvin H. Bates, Melissa Payer Sulprizio, Shaojie Song, Xiao Hui Lu and 6 more
Significance The North China Plain experiences severe summer ozone pollution, but ozone during winter haze (particulate) pollution events has been very low. Here, we show that the abrupt decrease in nitrogen oxide (NO x ) emissions following the COVID-19 lockdown in January 2020 drove fast ozone production during winter haze events to levels approaching the air quality standard. This fast ozone production was driven by formaldehyde originating from high emissions of volatile organic compounds (VOCs). The COVID-19 experience highlights a general 2013 to 2019 trend of rapidly increasing ozone pollution in winter–spring in China as NO x emissions have decreased. VOC emission controls would mitigate the spreading of ozone pollution into winter–spring with benefits for public health, crop production, and particulate pollution.
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Li, K., Jacob, D. J., Liao, H., Qiu, Y., Shen, L., Zhai, S., Bates, K. H., Sulprizio, M. P., Song, S., Lu, X. H., Zhang, Q., Zheng, B., Zhang, Y., Zhang, J., Lee, H. C., & Kuk, S. K. (2021). Ozone pollution in the North China Plain spreading into the late-winter haze season. Proceedings of the National Academy of Sciences, 118(10). https://doi.org/10.1073/pnas.2015797118
Li, Ke, et al. "Ozone pollution in the North China Plain spreading into the late-winter haze season." Proceedings of the National Academy of Sciences, vol. 118, no. 10, 2021, https://doi.org/10.1073/pnas.2015797118.
Li, Ke, Daniel J. Jacob, Hong Liao, Yulu Qiu, Lu Shen, Shixian Zhai, Kelvin H. Bates, et al. "Ozone pollution in the North China Plain spreading into the late-winter haze season." Proceedings of the National Academy of Sciences 118, no. 10 (2021). https://doi.org/10.1073/pnas.2015797118.
Li K., Jacob D. J., Liao H. [и др.] Ozone pollution in the North China Plain spreading into the late-winter haze season // Proceedings of the National Academy of Sciences. — 2021. — Vol. 118, № 10. — URL: https://doi.org/10.1073/pnas.2015797118
@article{li2021ozone,
title = {{Ozone pollution in the North China Plain spreading into the late-winter haze season}},
author = {Ke Li and Daniel J. Jacob and Hong Liao and Yulu Qiu and Lu Shen and Shixian Zhai and Kelvin H. Bates and Melissa Payer Sulprizio and Shaojie Song and Xiao Hui Lu and Qiang Zhang and Bo Zheng and Yuli Zhang and Jinqiang Zhang and Hyun Chul Lee and Su Keun Kuk},
journal = {Proceedings of the National Academy of Sciences},
year = {2021},
volume = {118},
number = {10},
doi = {10.1073/pnas.2015797118},
url = {https://doi.org/10.1073/pnas.2015797118}
}TY - JOUR AU - Li, Ke AU - Jacob, Daniel J. AU - Liao, Hong AU - Qiu, Yulu AU - Shen, Lu AU - Zhai, Shixian AU - Bates, Kelvin H. AU - Sulprizio, Melissa Payer AU - Song, Shaojie AU - Lu, Xiao Hui AU - Zhang, Qiang AU - Zheng, Bo AU - Zhang, Yuli AU - Zhang, Jinqiang AU - Lee, Hyun Chul AU - Kuk, Su Keun TI - Ozone pollution in the North China Plain spreading into the late-winter haze season JO - Proceedings of the National Academy of Sciences VL - 118 IS - 10 PY - 2021 DA - 2021/03/01 DO - 10.1073/pnas.2015797118 UR - https://doi.org/10.1073/pnas.2015797118 ER -
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