Articles | Volume 22, issue 7
https://doi.org/10.5194/acp-22-5017-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-22-5017-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Measurement report
| 
14 Apr 2022
Measurement report |
| 14 Apr 2022
| 14 Apr 2022
Measurement report: Characterization and source apportionment of coarse particulate matter in Hong Kong: insights into the constituents of unidentified mass and source origins in a coastal city in southern China
Division of Environment and Sustainability, Hong Kong University of
Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China
Kin Man Liu
Environmental Central Facility, Hong Kong University of Science and
Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China
Claisen Yeung
Environmental Central Facility, Hong Kong University of Science and
Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China
Kenneth K. M. Leung
Hong Kong Environmental Protection Department, 15/F, East Wing,
Central Government Offices, 2 Tim Mei Avenue, Tamar, Hong Kong SAR, China
Division of Environment and Sustainability, Hong Kong University of
Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China
Department of Chemistry, Hong Kong University of Science and
Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China
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Cited
23 citations as recorded by crossref.
- Investigating the Effect of Aerosol Uncertainty on Convective Precipitation Forecasting in South China's Coastal Area Y. Wang et al. 10.1029/2023JD038694
- Dynamics of water-soluble inorganic ions in Qinhuangdao: Particle size association and influences of environmental conditions R. Lyu et al. 10.1016/j.uclim.2025.102390
- Traffic-related PM2.5 pollution in Hong Kong: component-specific and source-resolved health risks and cytotoxicity Q. Yang et al. 10.1016/j.envpol.2025.126525
- Chemical characterization, formation mechanisms and source apportionment of PM2.5 in north Zhejiang Province: The importance of secondary formation and vehicle emission B. Kuang et al. 10.1016/j.scitotenv.2022.158206
- Abundance and Sources of Organic Nitrogen in Fine (PM2.5) and Coarse (PM2.5-10) Particulate Matter in Urban Hong Kong X. Yu et al. 10.2139/ssrn.4461559
- Chemical Characterization, Source Identification, and Health Risk Assessment of Atmospheric Fine Particulate Matter in Winter in Hangzhou Bay F. Zhang et al. 10.3390/su141912175
- An ensemble multi-scale framework for long-term forecasting of air quality S. Jiang et al. 10.1063/5.0172382
- Characterization of on-road nitrogen oxides and black carbon emissions from high emitters of heavy-duty diesel vehicles in China L. Zeng et al. 10.1016/j.jhazmat.2024.135225
- Enhanced nitrate contribution during winter haze events in a megacity of Sichuan Basin, China: Formation mechanism and source apportionment T. Song et al. 10.1016/j.jclepro.2022.133272
- Physicochemical characteristics of atmospheric particles in south western (Pune) region of India: Elemental size distribution, source analysis and risk assessment H. Rohra et al. 10.1016/j.apr.2023.101938
- An hourly and localized optimization method for soil fugitive dust emission inventory based on machine learning L. Song et al. 10.1016/j.jes.2024.12.016
- Two-year monitoring of indoor/outdoor PM10 at 15 sites in an urban setting. Part II: source apportionment and oxidative potential L. Massimi et al. 10.1016/j.uclim.2025.102466
- Abundance and sources of organic nitrogen in fine (PM2.5) and coarse (PM2.5–10) particulate matter in urban Hong Kong X. Yu et al. 10.1016/j.scitotenv.2023.165880
- Quantitative Decomposition of Influencing Factors to Aerosol pH Variation over the Coasts of the South China Sea, East China Sea, and Bohai Sea G. Wang et al. 10.1021/acs.estlett.2c00527
- Investigation of organic carbon profiles and sources of coarse PM in Los Angeles R. Tohidi et al. 10.1016/j.envpol.2022.120264
- Comprehensive understanding on sources of high levels of fine particulate nitro-aromatic compounds at a coastal rural area in northern China Y. Jiang et al. 10.1016/j.jes.2022.09.033
- Evaluating coarse PM composition and sources based on bulk and molecular speciation of PM2.5 and PM10 in Nanjing, East China W. Cui et al. 10.1016/j.jes.2024.04.038
- Heavy vehicles’ non-exhaust exhibits competitive contribution to PM2.5 compared with exhaust in port and nearby areas T. Fang et al. 10.1016/j.envpol.2023.122124
- Molecular and Elemental Tracers‐Based Receptor Modeling of PM2.5 in Suburban Hong Kong With Hourly Time‐Scale Air Quality Considerations S. Wang et al. 10.1029/2023JD039875
- Source identification and apportionment of ambient particulate matter in Beijing using an advanced computer-controlled scanning electron microscopy (CCSEM) system P. Zhao et al. 10.1016/j.scitotenv.2022.160608
- Quantifying the seasonal variations in and regional transport of PM2.5 in the Yangtze River Delta region, China: characteristics, sources, and health risks Y. Zhan et al. 10.5194/acp-23-9837-2023
- Characteristics of aerosol aminiums over a coastal city in North China: Insights from the divergent impacts of marine and terrestrial influences Y. Yang et al. 10.1016/j.scitotenv.2024.170672
- Bayesian inference-based estimation of hourly primary and secondary organic carbon in suburban Hong Kong: multi-temporal-scale variations and evolution characteristics during PM2.5 episodes S. Wang et al. 10.5194/acp-24-5803-2024
23 citations as recorded by crossref.
- Investigating the Effect of Aerosol Uncertainty on Convective Precipitation Forecasting in South China's Coastal Area Y. Wang et al. 10.1029/2023JD038694
- Dynamics of water-soluble inorganic ions in Qinhuangdao: Particle size association and influences of environmental conditions R. Lyu et al. 10.1016/j.uclim.2025.102390
- Traffic-related PM2.5 pollution in Hong Kong: component-specific and source-resolved health risks and cytotoxicity Q. Yang et al. 10.1016/j.envpol.2025.126525
- Chemical characterization, formation mechanisms and source apportionment of PM2.5 in north Zhejiang Province: The importance of secondary formation and vehicle emission B. Kuang et al. 10.1016/j.scitotenv.2022.158206
- Abundance and Sources of Organic Nitrogen in Fine (PM2.5) and Coarse (PM2.5-10) Particulate Matter in Urban Hong Kong X. Yu et al. 10.2139/ssrn.4461559
- Chemical Characterization, Source Identification, and Health Risk Assessment of Atmospheric Fine Particulate Matter in Winter in Hangzhou Bay F. Zhang et al. 10.3390/su141912175
- An ensemble multi-scale framework for long-term forecasting of air quality S. Jiang et al. 10.1063/5.0172382
- Characterization of on-road nitrogen oxides and black carbon emissions from high emitters of heavy-duty diesel vehicles in China L. Zeng et al. 10.1016/j.jhazmat.2024.135225
- Enhanced nitrate contribution during winter haze events in a megacity of Sichuan Basin, China: Formation mechanism and source apportionment T. Song et al. 10.1016/j.jclepro.2022.133272
- Physicochemical characteristics of atmospheric particles in south western (Pune) region of India: Elemental size distribution, source analysis and risk assessment H. Rohra et al. 10.1016/j.apr.2023.101938
- An hourly and localized optimization method for soil fugitive dust emission inventory based on machine learning L. Song et al. 10.1016/j.jes.2024.12.016
- Two-year monitoring of indoor/outdoor PM10 at 15 sites in an urban setting. Part II: source apportionment and oxidative potential L. Massimi et al. 10.1016/j.uclim.2025.102466
- Abundance and sources of organic nitrogen in fine (PM2.5) and coarse (PM2.5–10) particulate matter in urban Hong Kong X. Yu et al. 10.1016/j.scitotenv.2023.165880
- Quantitative Decomposition of Influencing Factors to Aerosol pH Variation over the Coasts of the South China Sea, East China Sea, and Bohai Sea G. Wang et al. 10.1021/acs.estlett.2c00527
- Investigation of organic carbon profiles and sources of coarse PM in Los Angeles R. Tohidi et al. 10.1016/j.envpol.2022.120264
- Comprehensive understanding on sources of high levels of fine particulate nitro-aromatic compounds at a coastal rural area in northern China Y. Jiang et al. 10.1016/j.jes.2022.09.033
- Evaluating coarse PM composition and sources based on bulk and molecular speciation of PM2.5 and PM10 in Nanjing, East China W. Cui et al. 10.1016/j.jes.2024.04.038
- Heavy vehicles’ non-exhaust exhibits competitive contribution to PM2.5 compared with exhaust in port and nearby areas T. Fang et al. 10.1016/j.envpol.2023.122124
- Molecular and Elemental Tracers‐Based Receptor Modeling of PM2.5 in Suburban Hong Kong With Hourly Time‐Scale Air Quality Considerations S. Wang et al. 10.1029/2023JD039875
- Source identification and apportionment of ambient particulate matter in Beijing using an advanced computer-controlled scanning electron microscopy (CCSEM) system P. Zhao et al. 10.1016/j.scitotenv.2022.160608
- Quantifying the seasonal variations in and regional transport of PM2.5 in the Yangtze River Delta region, China: characteristics, sources, and health risks Y. Zhan et al. 10.5194/acp-23-9837-2023
- Characteristics of aerosol aminiums over a coastal city in North China: Insights from the divergent impacts of marine and terrestrial influences Y. Yang et al. 10.1016/j.scitotenv.2024.170672
- Bayesian inference-based estimation of hourly primary and secondary organic carbon in suburban Hong Kong: multi-temporal-scale variations and evolution characteristics during PM2.5 episodes S. Wang et al. 10.5194/acp-24-5803-2024
Latest update: 04 Jul 2025
Short summary
Coarse particulate matter (PM) has been shown to cause adverse health impacts, but compared to PM2.5, the source of coarse PM is less studied through field measurements. We collected chemical composition data for coarse PM in Hong Kong for a 1-year period. Using statistical models, we found that regional transport of fugitive dust is responsible for the elevated coarse PM. This work sets an example of how field measurements can be effectively utilized for evidence-based policymaking.
Coarse particulate matter (PM) has been shown to cause adverse health impacts, but compared to...
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