Articles | Volume 16, issue 22
https://doi.org/10.5194/acp-16-14131-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-16-14131-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
15 Nov 2016
Research article |
| 15 Nov 2016
Particulate matter (PM) episodes at a suburban site in Hong Kong: evolution of PM characteristics and role of photochemistry in secondary aerosol formation
Yi Ming Qin
Department of Chemical and Biomolecular Engineering, Hong Kong University of Science and Technology, Hong Kong, China
Department of Civil and Environmental Engineering, Faculty of Science and Technology, University of Macau, Taipa, Macau, China
Hao Wang
Division of Environment, Hong Kong University of Science and Technology, Hong Kong, China
Berto Paul Yok Long Lee
Division of Environment, Hong Kong University of Science and Technology, Hong Kong, China
Dan Dan Huang
Department of Chemical and Biomolecular Engineering, Hong Kong University of Science and Technology, Hong Kong, China
Department of Chemical and Biomolecular Engineering, Hong Kong University of Science and Technology, Hong Kong, China
Division of Environment, Hong Kong University of Science and Technology, Hong Kong, China
School of Energy and Environment, City University of Hong Kong, Hong Kong, China
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Cited
20 citations as recorded by crossref.
- Real-time chemical characterization of atmospheric particulate matter in China: A review Y. Li et al. 10.1016/j.atmosenv.2017.02.027
- Chemical evolution of secondary organic aerosol tracers during high-PM2.5 episodes at a suburban site in Hong Kong over 4 months of continuous measurement Q. Wang et al. 10.5194/acp-22-11239-2022
- Isotopic Evidence for the High Contribution of Wintertime Photochemistry to Particulate Nitrate Formation in Northern China Z. Zhang et al. 10.1029/2021JD035324
- Characteristics, sources and evolution processes of atmospheric organic aerosols at a roadside site in Hong Kong D. Yao et al. 10.1016/j.atmosenv.2021.118298
- Uptake of Water‐soluble Gas‐phase Oxidation Products Drives Organic Particulate Pollution in Beijing G. Gkatzelis et al. 10.1029/2020GL091351
- Single particle diversity and mixing state of carbonaceous aerosols in Guangzhou, China C. Cheng et al. 10.1016/j.scitotenv.2020.142182
- Influence of chemical size distribution on optical properties for ambient submicron particles during severe haze events W. Zhu et al. 10.1016/j.atmosenv.2018.08.003
- An Air Stagnation Index to Qualify Extreme Haze Events in Northern China J. Feng et al. 10.1175/JAS-D-17-0354.1
- Measurement report: Effects of photochemical aging on the formation and evolution of summertime secondary aerosol in Beijing T. Chen et al. 10.5194/acp-21-1341-2021
- Seasonal variations in the highly time-resolved aerosol composition, sources and chemical processes of background submicron particles in the North China Plain J. Li et al. 10.5194/acp-21-4521-2021
- Insights into the formation and properties of secondary organic aerosol at a background site in Yangtze River Delta region of China: Aqueous-phase processing vs. photochemical oxidation D. Huang et al. 10.1016/j.atmosenv.2020.117716
- Secondary organic aerosol formation at an urban background site on the coastline of South China: Precursors and aging processes D. Yao et al. 10.1016/j.envpol.2022.119778
- An intercomparison of AOD-converted PM2.5 concentrations using different approaches for estimating aerosol vertical distribution T. Su et al. 10.1016/j.atmosenv.2017.07.054
- Insight into the formation and evolution of secondary organic aerosol in the megacity of Beijing, China J. Li et al. 10.1016/j.atmosenv.2019.117070
- Impacts of traffic emissions on atmospheric particulate nitrate and organics at a downwind site on the periphery of Guangzhou, China Y. Qin et al. 10.5194/acp-17-10245-2017
- Comparative analysis of winter composite-PM2.5 in Central Indo Gangetic Plain cities: Combined organic and inorganic source apportionment and characterization, with a focus on the photochemical age effect on secondary organic aerosol formation A. Lakra et al. 10.1016/j.atmosenv.2024.120827
- Secondary Organic Aerosol Formation Potential from Ambient Air in Beijing: Effects of Atmospheric Oxidation Capacity at Different Pollution Levels J. Liu et al. 10.1021/acs.est.1c00890
- Differences in aerosol chemistry at a regional background site in Hong Kong before and during the COVID-19 pandemic Y. Huo et al. 10.1016/j.scitotenv.2024.171990
- Insights into the chemistry of aerosol growth in Beijing: Implication of fine particle episode formation during wintertime S. Yang et al. 10.1016/j.chemosphere.2021.129776
- Tracing the Formation of Secondary Aerosols Influenced by Solar Radiation and Relative Humidity in Suburban Environment Y. Wu et al. 10.1029/2022JD036913
20 citations as recorded by crossref.
- Real-time chemical characterization of atmospheric particulate matter in China: A review Y. Li et al. 10.1016/j.atmosenv.2017.02.027
- Chemical evolution of secondary organic aerosol tracers during high-PM2.5 episodes at a suburban site in Hong Kong over 4 months of continuous measurement Q. Wang et al. 10.5194/acp-22-11239-2022
- Isotopic Evidence for the High Contribution of Wintertime Photochemistry to Particulate Nitrate Formation in Northern China Z. Zhang et al. 10.1029/2021JD035324
- Characteristics, sources and evolution processes of atmospheric organic aerosols at a roadside site in Hong Kong D. Yao et al. 10.1016/j.atmosenv.2021.118298
- Uptake of Water‐soluble Gas‐phase Oxidation Products Drives Organic Particulate Pollution in Beijing G. Gkatzelis et al. 10.1029/2020GL091351
- Single particle diversity and mixing state of carbonaceous aerosols in Guangzhou, China C. Cheng et al. 10.1016/j.scitotenv.2020.142182
- Influence of chemical size distribution on optical properties for ambient submicron particles during severe haze events W. Zhu et al. 10.1016/j.atmosenv.2018.08.003
- An Air Stagnation Index to Qualify Extreme Haze Events in Northern China J. Feng et al. 10.1175/JAS-D-17-0354.1
- Measurement report: Effects of photochemical aging on the formation and evolution of summertime secondary aerosol in Beijing T. Chen et al. 10.5194/acp-21-1341-2021
- Seasonal variations in the highly time-resolved aerosol composition, sources and chemical processes of background submicron particles in the North China Plain J. Li et al. 10.5194/acp-21-4521-2021
- Insights into the formation and properties of secondary organic aerosol at a background site in Yangtze River Delta region of China: Aqueous-phase processing vs. photochemical oxidation D. Huang et al. 10.1016/j.atmosenv.2020.117716
- Secondary organic aerosol formation at an urban background site on the coastline of South China: Precursors and aging processes D. Yao et al. 10.1016/j.envpol.2022.119778
- An intercomparison of AOD-converted PM2.5 concentrations using different approaches for estimating aerosol vertical distribution T. Su et al. 10.1016/j.atmosenv.2017.07.054
- Insight into the formation and evolution of secondary organic aerosol in the megacity of Beijing, China J. Li et al. 10.1016/j.atmosenv.2019.117070
- Impacts of traffic emissions on atmospheric particulate nitrate and organics at a downwind site on the periphery of Guangzhou, China Y. Qin et al. 10.5194/acp-17-10245-2017
- Comparative analysis of winter composite-PM2.5 in Central Indo Gangetic Plain cities: Combined organic and inorganic source apportionment and characterization, with a focus on the photochemical age effect on secondary organic aerosol formation A. Lakra et al. 10.1016/j.atmosenv.2024.120827
- Secondary Organic Aerosol Formation Potential from Ambient Air in Beijing: Effects of Atmospheric Oxidation Capacity at Different Pollution Levels J. Liu et al. 10.1021/acs.est.1c00890
- Differences in aerosol chemistry at a regional background site in Hong Kong before and during the COVID-19 pandemic Y. Huo et al. 10.1016/j.scitotenv.2024.171990
- Insights into the chemistry of aerosol growth in Beijing: Implication of fine particle episode formation during wintertime S. Yang et al. 10.1016/j.chemosphere.2021.129776
- Tracing the Formation of Secondary Aerosols Influenced by Solar Radiation and Relative Humidity in Suburban Environment Y. Wu et al. 10.1029/2022JD036913
Latest update: 23 Nov 2024
Short summary
The source, formation, transformation mechanisms and mixing state of particulate matter (PM) in high episodic events under different meteorological conditions in Hong Kong remain unclear. With high-resolution time-of-flight aerosol mass spectrometric measurement, we successfully demonstrated the dynamic and complex nature of PM transformation during high-PM episodes. This study revealed that not only regional transport but also local secondary formation is the culprit for high PM levels.
The source, formation, transformation mechanisms and mixing state of particulate matter (PM) in...
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