Articles | Volume 22, issue 17
https://doi.org/10.5194/acp-22-11239-2022
© 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-22-11239-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
02 Sep 2022
Research article |
| 02 Sep 2022
| 02 Sep 2022
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
Qiongqiong Wang
Department of Chemistry, The Hong Kong University of Science and
Technology, Hong Kong SAR, China
Shan Wang
Division of Environment and Sustainability, The Hong Kong University
of Science and Technology, Hong Kong SAR, China
Yuk Ying Cheng
Department of Chemistry, The Hong Kong University of Science and
Technology, Hong Kong SAR, China
Hanzhe Chen
Division of Environment and Sustainability, The Hong Kong University
of Science and Technology, Hong Kong SAR, China
Zijing Zhang
Division of Environment and Sustainability, The Hong Kong University
of Science and Technology, Hong Kong SAR, China
Jinjian Li
Division of Environment and Sustainability, The Hong Kong University
of Science and Technology, Hong Kong SAR, China
Division of Environment and Sustainability, The Hong Kong University
of Science and Technology, Hong Kong SAR, China
Division of Environment and Sustainability, The Hong Kong University
of Science and Technology, Hong Kong SAR, China
Department of Chemistry, The Hong Kong University of Science and
Technology, Hong Kong SAR, China
Division of Environment and Sustainability, The Hong Kong University
of Science and Technology, Hong Kong SAR, China
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Cited
30 citations as recorded by crossref.
- Seasonal and diurnal variabilities of secondary organic aerosol in coastal and inland cities, north China: Impact of anthropogenic emission Q. Huang et al.
- Impact of temperature on the biogenic volatile organic compound (BVOC) emissions in China: A review Y. Yang et al.
- Short-term source apportionment of fine particulate matter with time-dependent profiles using SoFi Pro: exploring the reliability of rolling positive matrix factorization (PMF) applied to bihourly molecular and elemental tracer data Q. Wang et al.
- Hydroxyl Dicarboxylic Acids at a Mountainous Site in Hong Kong: Formation Mechanisms and Implications for Particle Growth H. Li et al.
- Source Apportionment of Fine Particulate Matter in Wuhan: Application of Rolling Positive Matrix Factorization Under Different Seasons and Episodic Events Z. Guo et al.
- 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.
- Roles of photochemical consumption of VOCs on regional background O3 concentration and atmospheric reactivity over the pearl river estuary, Southern China J. Sun et al.
- In situ measurement of organic aerosol molecular markers in urban Hong Kong during a summer period: temporal variations and source apportionment H. Li et al.
- Unveiling the origins of Northern Thailand’s haze: comprehensive chemical characterization and source apportionment of PM2.5 using targeted molecular markers S. Saksakulkrai et al.
- Exploring the Effect of Environmental Conditions on Decay Kinetics of Aerosol Unsaturated Fatty Acids: New Insights Gained from Long-Term Ambient Measurements Q. Wang et al.
- Chemical Characterization of Organic Aerosol Tracers Derived from Burning Biomass Indigenous to Sub-Saharan Africa: Fresh Emissions versus Photochemical Aging A. Lambert et al.
- Environmental and health impacts of reduced PM2.5 and trace metals from ship emissions under low-sulfur fuel oil policy in Shanghai, China X. Dong et al.
- Ambient measurements and improved statistical proxies for gaseous sulfuric acid in coastal Hong Kong Y. Chen et al.
- Time‐Resolved Measurements of PM2.5 Chemical Composition and Brown Carbon Absorption in Nanjing, East China: Diurnal Variations and Organic Tracer‐Based PMF Analysis W. Feng et al.
- Compositions and Distributions of Secondary Organic Aerosols and Their Tracers over the Pearl River Estuary Region Influenced by Continental and Marine Air Masses Z. Ling et al.
- Assessing the contribution of VOCs to SOA formation and identifying their key species during ozone pollution episodes in a typical petrochemical city X. Yan et al.
- Review of Residential Energy Transition and Indoor Health Effects in Rural China Y. XIE et al.
- Variations in concentration and composition of biogenic secondary organic aerosol tracers at Wajima, a Japanese background site (2011–2015) P. Bai et al.
- Informing City-Scale Air Pollution Episodes Using Hourly Time-Scale Measurements of PM2.5 Molecular and Elemental Tracers at an Air Quality Research Supersite in Hong Kong S. Wang et al.
- Molecular and elemental markers-based source apportionment of organic nitrogen in PM2.5 at a suburban site in Hong Kong J. Li et al.
- Drivers of biogenic secondary organic aerosols in Eastern China: Evidence from machine learning and high-resolution measurements K. Zhang et al.
- Molecular characteristics of organic aerosols and impacts of transboundary biomass burning in Southwest China Z. Dong et al.
- Atmospheric organic aerosols: online molecular characterization and environmental impacts Y. Sun et al.
- Molecular tracers, mass spectral tracers and oxidation of organic aerosols emitted from cooking and fossil fuel burning sources C. Liang et al.
- 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.
- Transport of Biomass Burning Aerosol into the Extratropical Tropopause Region over Europe via Warm Conveyor Belt Uplift P. Joppe et al.
- An online instrument for assessing oxidative potential of ambient particulate matter via dithiothreitol assay, using particle-into-liquid sampler (PILS) coupled with improved light absorption measurement H. Chen & J. Yu
- Seasonal variability and sources of brown carbon in Wuhan: Insights from Bayesian modeling and organic tracers-based source apportionment Z. Li et al.
- Ozone Chemistry on Greasy Glass Surfaces Affects the Levels of Volatile Organic Compounds in Indoor Environments H. Deng et al.
- Limonene: A Resource or a Danger I. Notardonato et al.
30 citations as recorded by crossref.
- Seasonal and diurnal variabilities of secondary organic aerosol in coastal and inland cities, north China: Impact of anthropogenic emission Q. Huang et al.
- Impact of temperature on the biogenic volatile organic compound (BVOC) emissions in China: A review Y. Yang et al.
- Short-term source apportionment of fine particulate matter with time-dependent profiles using SoFi Pro: exploring the reliability of rolling positive matrix factorization (PMF) applied to bihourly molecular and elemental tracer data Q. Wang et al.
- Hydroxyl Dicarboxylic Acids at a Mountainous Site in Hong Kong: Formation Mechanisms and Implications for Particle Growth H. Li et al.
- Source Apportionment of Fine Particulate Matter in Wuhan: Application of Rolling Positive Matrix Factorization Under Different Seasons and Episodic Events Z. Guo et al.
- 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.
- Roles of photochemical consumption of VOCs on regional background O3 concentration and atmospheric reactivity over the pearl river estuary, Southern China J. Sun et al.
- In situ measurement of organic aerosol molecular markers in urban Hong Kong during a summer period: temporal variations and source apportionment H. Li et al.
- Unveiling the origins of Northern Thailand’s haze: comprehensive chemical characterization and source apportionment of PM2.5 using targeted molecular markers S. Saksakulkrai et al.
- Exploring the Effect of Environmental Conditions on Decay Kinetics of Aerosol Unsaturated Fatty Acids: New Insights Gained from Long-Term Ambient Measurements Q. Wang et al.
- Chemical Characterization of Organic Aerosol Tracers Derived from Burning Biomass Indigenous to Sub-Saharan Africa: Fresh Emissions versus Photochemical Aging A. Lambert et al.
- Environmental and health impacts of reduced PM2.5 and trace metals from ship emissions under low-sulfur fuel oil policy in Shanghai, China X. Dong et al.
- Ambient measurements and improved statistical proxies for gaseous sulfuric acid in coastal Hong Kong Y. Chen et al.
- Time‐Resolved Measurements of PM2.5 Chemical Composition and Brown Carbon Absorption in Nanjing, East China: Diurnal Variations and Organic Tracer‐Based PMF Analysis W. Feng et al.
- Compositions and Distributions of Secondary Organic Aerosols and Their Tracers over the Pearl River Estuary Region Influenced by Continental and Marine Air Masses Z. Ling et al.
- Assessing the contribution of VOCs to SOA formation and identifying their key species during ozone pollution episodes in a typical petrochemical city X. Yan et al.
- Review of Residential Energy Transition and Indoor Health Effects in Rural China Y. XIE et al.
- Variations in concentration and composition of biogenic secondary organic aerosol tracers at Wajima, a Japanese background site (2011–2015) P. Bai et al.
- Informing City-Scale Air Pollution Episodes Using Hourly Time-Scale Measurements of PM2.5 Molecular and Elemental Tracers at an Air Quality Research Supersite in Hong Kong S. Wang et al.
- Molecular and elemental markers-based source apportionment of organic nitrogen in PM2.5 at a suburban site in Hong Kong J. Li et al.
- Drivers of biogenic secondary organic aerosols in Eastern China: Evidence from machine learning and high-resolution measurements K. Zhang et al.
- Molecular characteristics of organic aerosols and impacts of transboundary biomass burning in Southwest China Z. Dong et al.
- Atmospheric organic aerosols: online molecular characterization and environmental impacts Y. Sun et al.
- Molecular tracers, mass spectral tracers and oxidation of organic aerosols emitted from cooking and fossil fuel burning sources C. Liang et al.
- 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.
- Transport of Biomass Burning Aerosol into the Extratropical Tropopause Region over Europe via Warm Conveyor Belt Uplift P. Joppe et al.
- An online instrument for assessing oxidative potential of ambient particulate matter via dithiothreitol assay, using particle-into-liquid sampler (PILS) coupled with improved light absorption measurement H. Chen & J. Yu
- Seasonal variability and sources of brown carbon in Wuhan: Insights from Bayesian modeling and organic tracers-based source apportionment Z. Li et al.
- Ozone Chemistry on Greasy Glass Surfaces Affects the Levels of Volatile Organic Compounds in Indoor Environments H. Deng et al.
- Limonene: A Resource or a Danger I. Notardonato et al.
Saved (final revised paper)
Latest update: 02 May 2026
Short summary
Secondary organic aerosol (SOA) is often enhanced during fine-particulate-matter (PM2.5) episodes. We examined bi-hourly measurements of SOA molecular tracers in suburban Hong Kong during 11 city-wide PM2.5 episodes. The tracers showed regional characteristics for both anthropogenic and biogenic SOA as well as biomass-burning-derived SOA. Multiple tracers of the same precursor revealed the dominance of low-NOx formation pathways for isoprene SOA and less-aged monoterpene SOA during winter.
Secondary organic aerosol (SOA) is often enhanced during fine-particulate-matter (PM2.5)...
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