Articles | Volume 20, issue 10
https://doi.org/10.5194/acp-20-6147-2020
© Author(s) 2020. 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-20-6147-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Significant production of ClNO2 and possible source of Cl2 from N2O5 uptake at a suburban site in eastern China
Department of Civil and Environmental Engineering, The Hong Kong
Polytechnic University, Hong Kong SAR, China
Xiang Peng
Department of Civil and Environmental Engineering, The Hong Kong
Polytechnic University, Hong Kong SAR, China
Weihao Wang
Department of Civil and Environmental Engineering, The Hong Kong
Polytechnic University, Hong Kong SAR, China
Chuan Yu
Department of Civil and Environmental Engineering, The Hong Kong
Polytechnic University, Hong Kong SAR, China
Joint International Research Laboratory of Atmospheric and Earth
System Sciences, School of Atmospheric Sciences, Nanjing University,
Nanjing, 210023, China
Yuanyuan Li
Joint International Research Laboratory of Atmospheric and Earth
System Sciences, School of Atmospheric Sciences, Nanjing University,
Nanjing, 210023, China
Yuliang Liu
Joint International Research Laboratory of Atmospheric and Earth
System Sciences, School of Atmospheric Sciences, Nanjing University,
Nanjing, 210023, China
Zhengning Xu
Joint International Research Laboratory of Atmospheric and Earth
System Sciences, School of Atmospheric Sciences, Nanjing University,
Nanjing, 210023, China
Department of Civil and Environmental Engineering, The Hong Kong
Polytechnic University, Hong Kong SAR, China
now at: Division of Environment and Sustainability, Hong Kong
University of Science and Technology, Hong Kong SAR, China
Zheng Xu
Joint International Research Laboratory of Atmospheric and Earth
System Sciences, School of Atmospheric Sciences, Nanjing University,
Nanjing, 210023, China
Joint International Research Laboratory of Atmospheric and Earth
System Sciences, School of Atmospheric Sciences, Nanjing University,
Nanjing, 210023, China
Aijun Ding
Joint International Research Laboratory of Atmospheric and Earth
System Sciences, School of Atmospheric Sciences, Nanjing University,
Nanjing, 210023, China
Department of Civil and Environmental Engineering, The Hong Kong
Polytechnic University, Hong Kong SAR, China
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Cited
50 citations as recorded by crossref.
- Modeling the Global Impact of Chlorine Chemistry on Secondary Organic Aerosols X. Liu et al.
- An Updated Anthropogenic Emission Inventory of Reactive Chlorine Precursors in China S. Yin et al.
- Fast near-surface ClNO2 production and its impact on O3 formation during a heavy pollution event in South China X. Chen et al.
- Widespread surface ozone reduction triggered by dust storm disturbance on ozone production and destruction chemistry Y. Zhang et al.
- Formation mechanism and control strategy for particulate nitrate in China H. Wang et al.
- Variations of chloride depletion and its impacts on ozone formation: Case study of a coastal area in Shanghai Y. Duan et al.
- Increasing contribution of nighttime nitrogen chemistry to wintertime haze formation in Beijing observed during COVID-19 lockdowns C. Yan et al.
- High Aerosol Ionic Strength Possibly Affecting Nocturnal Chlorine Formation via Heterogeneous Reaction in Urban Beijing W. Ma et al.
- Impact of Molecular Chlorine Production from Aerosol Iron Photochemistry on Atmospheric Oxidative Capacity in North China Q. Chen et al.
- Radical chemistry and VOCs-NOx-O3-nitrate sensitivity in the polluted atmosphere of a suburban site in the North China Plain Y. Li et al.
- Increasing Contribution of Chlorine Chemistry to Wintertime Ozone Formation Promoted by Enhanced Nitrogen Chemistry G. Chen et al.
- Atmospheric chemistry of molecular chlorine Q. Zang et al.
- Significant Impact of a Daytime Halogen Oxidant on Coastal Air Quality J. Dai et al.
- Large Daytime Molecular Chlorine Missing Source at a Suburban Site in East China Q. Chen et al.
- Atmospheric gaseous HCl influenced by sea-land breeze circulation in a southeast Chinese coastal city X. Fan et al.
- High levels of ClNO2 enhance wintertime atmospheric oxidation capacity at a coastal site in North China W. Sun et al.
- Observation of nitrogen oxide-influenced chlorine chemistry and source analysis of Cl2 in the Yangtze River Delta, China F. Li et al.
- Quantification, diel variation and photochemistry of inorganic chlorine trace gases in continental Germany L. Moormann et al.
- Driving factors and photochemical impacts of Cl2 in coastal atmosphere of Southeast China G. Chen et al.
- Reactive Chlorine Species Advancing the Atmospheric Oxidation Capacities of Inland Urban Environments W. Ma et al.
- An Alternative Calibration Method for Measuring N2O5 with an Iodide-Chemical Ionization Mass Spectrometer and Influencing Factors Y. Liu et al.
- Enhanced oxidation capacity driven by pollution-induced chlorine chemistry in the coastal atmosphere G. Chen et al.
- Chloride Loss in Fine Aerosols over the Atmosphere of Pearl River Estuary Y. Gao et al.
- Photodissociation of particulate nitrate as a source of daytime tropospheric Cl2 X. Peng et al.
- Pollution-Derived Br2 Boosts Oxidation Power of the Coastal Atmosphere M. Xia et al.
- Multiphase Oxidation of Sulfur Dioxide in Aerosol Particles: Implications for Sulfate Formation in Polluted Environments T. Liu et al.
- Significant Impact of Reactive Chlorine on Complex Air Pollution Over the Yangtze River Delta Region, China X. Yi et al.
- Vertical Gradient of Nitryl Chloride and Implications for Atmospheric Photochemistry in Pearl River Delta, China, during Wintertime H. Wang et al.
- Fast Nocturnal Heterogeneous Chemistry in a Coastal Background Atmosphere and Its Implications for Daytime Photochemistry Y. Niu et al.
- Distinctive Heterogeneous Reaction Mechanism of ClNO2 on the Air–Water Surface Containing Cl W. Zhang et al.
- Reduction and Photoreduction of NO2 in Humic Acid Films as a Source of HONO, ClNO, N2O, NOX, and Organic Nitrogen H. Ricker et al.
- Observation based study on atmospheric oxidation capacity in Shanghai during late-autumn: Contribution from nitryl chloride S. Lou et al.
- Insights into Nighttime Chemistry and Formation Mechanism of Nitrate Aerosols J. Song et al.
- Halogens Enhance Haze Pollution in China Q. Li et al.
- HOCl Formation Driven by Photochemical Processes Enhanced Atmospheric Oxidation Capacity in a Coastal Atmosphere G. Chen et al.
- Formation drivers and photochemical effects of ClNO2 in a coastal city of Southeast China G. Chen et al.
- A Previously Unrecognized Industrial Source of Atmospheric Molecular Bromine in Eastern China Y. Jiang et al.
- What drives anthropogenic fine particulate chloride emissions in India? – A quantitative assessment of hotspots P. Sahoo et al.
- Reactive halogens in polluted atmospheres: Sources, processes, and impacts on secondary pollutants T. Wang et al.
- Significant influence of oxygenated volatile organic compounds on atmospheric chemistry: a case study in a typical industrial city in China J. Dai et al.
- Role of atomic chlorine in atmospheric volatile organic compound oxidation and secondary organic aerosol formation: a review Y. Sun et al.
- Nitrate formation mechanisms causing high concentration of PM2.5 in a residential city with low anthropogenic emissions during cold season J. Jeon et al.
- In situ measurement evidence of selective aqueous-phase formation of ammonium, nitrate, and sulfate in clouds Z. Guo et al.
- Impact of Reactive Chlorine on Atmospheric Oxidative Capacity in a Snowy Polluted Environment X. Li et al.
- Chloramine chemistry as a missing link in atmospheric chlorine cycling Y. Chen et al.
- The determination of ClNO2 via thermal dissociation–tunable infrared laser direct absorption spectroscopy J. Halfacre et al.
- Linking anthropogenic chlorine emissions to regional air quality in India A. Patel et al.
- Measurement report: Variations and environmental impacts of atmospheric N2O5 concentrations in urban Beijing during the 2022 Winter Olympics T. Zhang et al.
- Atmospheric degradation of biofuel cyclic esters initiated by chlorine atom: Product yields and ring-retaining oxidation vs. ring opening mechanisms A. Baptista et al.
- Intercomparison of measured and modelled photochemical ozone production rates: Suggestion of chemistry hypothesis regarding unmeasured VOCs J. Zhou et al.
50 citations as recorded by crossref.
- Modeling the Global Impact of Chlorine Chemistry on Secondary Organic Aerosols X. Liu et al.
- An Updated Anthropogenic Emission Inventory of Reactive Chlorine Precursors in China S. Yin et al.
- Fast near-surface ClNO2 production and its impact on O3 formation during a heavy pollution event in South China X. Chen et al.
- Widespread surface ozone reduction triggered by dust storm disturbance on ozone production and destruction chemistry Y. Zhang et al.
- Formation mechanism and control strategy for particulate nitrate in China H. Wang et al.
- Variations of chloride depletion and its impacts on ozone formation: Case study of a coastal area in Shanghai Y. Duan et al.
- Increasing contribution of nighttime nitrogen chemistry to wintertime haze formation in Beijing observed during COVID-19 lockdowns C. Yan et al.
- High Aerosol Ionic Strength Possibly Affecting Nocturnal Chlorine Formation via Heterogeneous Reaction in Urban Beijing W. Ma et al.
- Impact of Molecular Chlorine Production from Aerosol Iron Photochemistry on Atmospheric Oxidative Capacity in North China Q. Chen et al.
- Radical chemistry and VOCs-NOx-O3-nitrate sensitivity in the polluted atmosphere of a suburban site in the North China Plain Y. Li et al.
- Increasing Contribution of Chlorine Chemistry to Wintertime Ozone Formation Promoted by Enhanced Nitrogen Chemistry G. Chen et al.
- Atmospheric chemistry of molecular chlorine Q. Zang et al.
- Significant Impact of a Daytime Halogen Oxidant on Coastal Air Quality J. Dai et al.
- Large Daytime Molecular Chlorine Missing Source at a Suburban Site in East China Q. Chen et al.
- Atmospheric gaseous HCl influenced by sea-land breeze circulation in a southeast Chinese coastal city X. Fan et al.
- High levels of ClNO2 enhance wintertime atmospheric oxidation capacity at a coastal site in North China W. Sun et al.
- Observation of nitrogen oxide-influenced chlorine chemistry and source analysis of Cl2 in the Yangtze River Delta, China F. Li et al.
- Quantification, diel variation and photochemistry of inorganic chlorine trace gases in continental Germany L. Moormann et al.
- Driving factors and photochemical impacts of Cl2 in coastal atmosphere of Southeast China G. Chen et al.
- Reactive Chlorine Species Advancing the Atmospheric Oxidation Capacities of Inland Urban Environments W. Ma et al.
- An Alternative Calibration Method for Measuring N2O5 with an Iodide-Chemical Ionization Mass Spectrometer and Influencing Factors Y. Liu et al.
- Enhanced oxidation capacity driven by pollution-induced chlorine chemistry in the coastal atmosphere G. Chen et al.
- Chloride Loss in Fine Aerosols over the Atmosphere of Pearl River Estuary Y. Gao et al.
- Photodissociation of particulate nitrate as a source of daytime tropospheric Cl2 X. Peng et al.
- Pollution-Derived Br2 Boosts Oxidation Power of the Coastal Atmosphere M. Xia et al.
- Multiphase Oxidation of Sulfur Dioxide in Aerosol Particles: Implications for Sulfate Formation in Polluted Environments T. Liu et al.
- Significant Impact of Reactive Chlorine on Complex Air Pollution Over the Yangtze River Delta Region, China X. Yi et al.
- Vertical Gradient of Nitryl Chloride and Implications for Atmospheric Photochemistry in Pearl River Delta, China, during Wintertime H. Wang et al.
- Fast Nocturnal Heterogeneous Chemistry in a Coastal Background Atmosphere and Its Implications for Daytime Photochemistry Y. Niu et al.
- Distinctive Heterogeneous Reaction Mechanism of ClNO2 on the Air–Water Surface Containing Cl W. Zhang et al.
- Reduction and Photoreduction of NO2 in Humic Acid Films as a Source of HONO, ClNO, N2O, NOX, and Organic Nitrogen H. Ricker et al.
- Observation based study on atmospheric oxidation capacity in Shanghai during late-autumn: Contribution from nitryl chloride S. Lou et al.
- Insights into Nighttime Chemistry and Formation Mechanism of Nitrate Aerosols J. Song et al.
- Halogens Enhance Haze Pollution in China Q. Li et al.
- HOCl Formation Driven by Photochemical Processes Enhanced Atmospheric Oxidation Capacity in a Coastal Atmosphere G. Chen et al.
- Formation drivers and photochemical effects of ClNO2 in a coastal city of Southeast China G. Chen et al.
- A Previously Unrecognized Industrial Source of Atmospheric Molecular Bromine in Eastern China Y. Jiang et al.
- What drives anthropogenic fine particulate chloride emissions in India? – A quantitative assessment of hotspots P. Sahoo et al.
- Reactive halogens in polluted atmospheres: Sources, processes, and impacts on secondary pollutants T. Wang et al.
- Significant influence of oxygenated volatile organic compounds on atmospheric chemistry: a case study in a typical industrial city in China J. Dai et al.
- Role of atomic chlorine in atmospheric volatile organic compound oxidation and secondary organic aerosol formation: a review Y. Sun et al.
- Nitrate formation mechanisms causing high concentration of PM2.5 in a residential city with low anthropogenic emissions during cold season J. Jeon et al.
- In situ measurement evidence of selective aqueous-phase formation of ammonium, nitrate, and sulfate in clouds Z. Guo et al.
- Impact of Reactive Chlorine on Atmospheric Oxidative Capacity in a Snowy Polluted Environment X. Li et al.
- Chloramine chemistry as a missing link in atmospheric chlorine cycling Y. Chen et al.
- The determination of ClNO2 via thermal dissociation–tunable infrared laser direct absorption spectroscopy J. Halfacre et al.
- Linking anthropogenic chlorine emissions to regional air quality in India A. Patel et al.
- Measurement report: Variations and environmental impacts of atmospheric N2O5 concentrations in urban Beijing during the 2022 Winter Olympics T. Zhang et al.
- Atmospheric degradation of biofuel cyclic esters initiated by chlorine atom: Product yields and ring-retaining oxidation vs. ring opening mechanisms A. Baptista et al.
- Intercomparison of measured and modelled photochemical ozone production rates: Suggestion of chemistry hypothesis regarding unmeasured VOCs J. Zhou et al.
Saved (final revised paper)
Latest update: 24 May 2026
Short summary
ClNO2 and Cl2 can be photolyzed by sunlight to produce a highly reactive Cl atom which affects air quality and climate. We observed high ClNO2 and Cl2 concentrations during a recent field study in east China. We analyzed the data and proposed a new hypothesis on the Cl2 production mechanism. Yields of ClNO2 and Cl2 from N2O2 uptake were parameterized using observational constraints, and they can be used in air quality models to improve simulations of atmospheric photochemistry and air quality.
ClNO2 and Cl2 can be photolyzed by sunlight to produce a highly reactive Cl atom which affects...
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