Articles | Volume 19, issue 1
https://doi.org/10.5194/acp-19-1-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/acp-19-1-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
The significant contribution of HONO to secondary pollutants during a severe winter pollution event in southern China
Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, Hong Kong 99907, China
Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, Hong Kong 99907, China
Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, Hong Kong 99907, China
Atmospheric and Oceanic Sciences, Princeton University, Princeton, New Jersey 08540, USA
Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, Hong Kong 99907, China
now at: Department of Atmospheric Chemistry and Climate,
Institute of Physical Chemistry Rocasolano, CSIC, Madrid 28006, Spain
Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, Hong Kong 99907, China
Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, Hong Kong 99907, China
Hui Yun
Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, Hong Kong 99907, China
Weihao Wang
Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, Hong Kong 99907, China
Chuan Yu
Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, Hong Kong 99907, China
Dingli Yue
Guangdong Provincial Environmental Monitoring Center, Guangzhou, China
Yan Zhou
Guangdong Provincial Environmental Monitoring Center, Guangzhou, China
Junyun Zheng
Institute for Environmental and Climate Research, Jinan University, Guangzhou, China
National Meteorological Information Center, China Meteorological Administration, Beijing 100081, China
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Short summary
This study has identified the major contributors to the observed high HONO levels during a severe winter pollution episode and highlighted the importance of HONO chemistry in the combined photochemical and haze pollution in a subtropical region. It also highlighted the critical need to include and update HONO sources in regional air quality models in order to predict ozone and other secondary pollutants better during heavy pollution events in southern China and similar regions.
This study has identified the major contributors to the observed high HONO levels during a...
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