Articles | Volume 23, issue 6
https://doi.org/10.5194/acp-23-3819-2023
© Author(s) 2023. 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-23-3819-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
31 Mar 2023
Research article |
| 31 Mar 2023
| 31 Mar 2023
Vehicular ammonia emissions: an underappreciated emission source in densely populated areas
Yifan Wen
School of Environment, State Key Joint Laboratory of Environment
Simulation and Pollution Control, Tsinghua University, Beijing, 100084,
China
School of Environment, State Key Joint Laboratory of Environment
Simulation and Pollution Control, Tsinghua University, Beijing, 100084,
China
State Environmental Protection Key Laboratory of Sources and Control of Air Pollution Complex, Beijing, 100084, China
Beijing Laboratory of Environmental Frontier Technologies, School of Environment, Tsinghua University, Beijing 100084, China
School of Environment, State Key Joint Laboratory of Environment
Simulation and Pollution Control, Tsinghua University, Beijing, 100084,
China
State Environmental Protection Key Laboratory of Sources and Control of Air Pollution Complex, Beijing, 100084, China
Beijing Laboratory of Environmental Frontier Technologies, School of Environment, Tsinghua University, Beijing 100084, China
Jiming Hao
School of Environment, State Key Joint Laboratory of Environment
Simulation and Pollution Control, Tsinghua University, Beijing, 100084,
China
State Environmental Protection Key Laboratory of Sources and Control of Air Pollution Complex, Beijing, 100084, China
Beijing Laboratory of Environmental Frontier Technologies, School of Environment, Tsinghua University, Beijing 100084, China
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Cited
28 citations as recorded by crossref.
- How far can we improve urban air quality and population exposure by changing mobility? An analysis in Paris L. Lugon et al. https://doi.org/10.1016/j.scitotenv.2025.180266
- High spatiotemporal resolution vehicular ammonia emission inventory in Shanghai, China based on measured emission factor R. Li et al. https://doi.org/10.1016/j.apr.2026.102976
- The global impact of the transport sectors on the atmospheric aerosol and the resulting climate effects under the Shared Socioeconomic Pathways (SSPs) M. Righi et al. https://doi.org/10.5194/esd-14-835-2023
- Updating On-Road Vehicle Emissions for China: Spatial Patterns, Temporal Trends, and Mitigation Drivers Y. Wen et al. https://doi.org/10.1021/acs.est.3c04909
- Research progress in ceria-based catalysts for the selective catalytic oxidation of NH<sub>3</sub> Y. Cai et al. https://doi.org/10.1360/SSC-2023-0231
- Measurement report: Ammonia in Paris derived from ground-based open-path and satellite observations C. Viatte et al. https://doi.org/10.5194/acp-23-15253-2023
- Implementation of a dry deposition module (DEPAC v3.11_ext) in a large eddy simulation code (DALES v4.4) L. Geers et al. https://doi.org/10.5194/gmd-18-6647-2025
- Impact of M (M = Co, Cu, Fe, Zr) Doping on CeO2-Based Catalysts for Ammonia Selective Catalytic Oxidation at Low Temperatures L. Cheng et al. https://doi.org/10.1007/s10562-024-04820-w
- Investigating the role of ammonia in enhancing secondary organic aerosol formation from the co-photooxidation of anthropogenic and biogenic VOCs Y. Yan et al. https://doi.org/10.5194/acp-26-6147-2026
- N‐Nitrosodimethylamine as an Emerging Environmental Contaminant: Sources, Analytical Advances, and Ecotoxicological and Human Health Risks B. Sana et al. https://doi.org/10.1155/ianc/1536227
- High spatiotemporal resolution ammonia emission inventory from typical industrial and agricultural province of China from 2000 to 2020 C. Zhu et al. https://doi.org/10.1016/j.scitotenv.2024.170732
- Assessing the Influence of NH4+ Volatilization on δ15N Measurements during Active Sampling of Atmospheric NHx N. Bhattarai et al. https://doi.org/10.1021/acsestair.5c00256
- Can the UK meet the World Health Organization PM2.5 interim target of 10 μg m−3 by 2030? D. Dajnak et al. https://doi.org/10.1016/j.envint.2023.108222
- Preliminary Study of the Isotopic Characteristics of Atmospheric Ammonia at a Coal Coking Industrial Park in Taiyuan, China, Using OGAWA Sampling T. Gao et al. https://doi.org/10.3390/atmos17050483
- Summertime Urban Ammonia Emissions May Be Substantially Underestimated in Beijing, China J. Xu et al. https://doi.org/10.1021/acs.est.3c05266
- Long-term spatiotemporal variations of ammonia in the Yangtze River Delta region of China and its driving factors J. Xue et al. https://doi.org/10.1016/j.jes.2024.02.021
- Global health benefits of policies to reduce on-road vehicle pollution through 2040 L. Jin et al. https://doi.org/10.1088/1748-9326/adcd87
- Characteristics of NOX and NH3 emissions from in-use heavy-duty diesel vehicles with various aftertreatment technologies in China L. He et al. https://doi.org/10.1016/j.jhazmat.2023.133073
- Gridded mobile source emissions with multiple processes and pollutants from 2011 to 2020 in China J. Zhao et al. https://doi.org/10.1038/s41597-025-05690-6
- Significant Increase in Ammonia Emissions in China: Considering Nonagricultural Sectors Based on Isotopic Source Apportionment F. Yan et al. https://doi.org/10.1021/acs.est.3c07222
- Surface Waters as a Potential Underestimated Source of Atmospheric Ammonia in the Athabasca Oil Sands Region of Alberta S. Watmough & C. Osborne https://doi.org/10.1007/s00128-025-04165-z
- Characteristics, regional transport and control strategies of atmospheric ammonia in urban Taiyuan, Fenwei Plain, China M. Ren et al. https://doi.org/10.1016/j.apr.2025.102505
- Measurement of Light-Duty Vehicle Exhaust Emissions with Light Absorption Spectrometers B. Giechaskiel et al. https://doi.org/10.3390/technologies12030032
- Local atmospheric pollution driven by traffic sources, with limited benefits from tree canopy sinks S. Piper et al. https://doi.org/10.1007/s10980-026-02329-8
- Mobile measurement background quantification methods for determining local traffic emissions and background source contributions to ammonia W. Pu et al. https://doi.org/10.1016/j.atmosenv.2024.120523
- High-resolution inventories for Reactive Nitrogen Emissions from China’s livestock during 2005–2022 Y. Chen et al. https://doi.org/10.1038/s41597-025-05394-x
- An investigation into the origins of atmospheric ammonia and ammonium in Beijing — Nitrogen stable isotope ratios as a basis S. Zhen et al. https://doi.org/10.1016/j.envpol.2025.126725
- Explainable machine learning insights into nighttime heterogeneous HONO formation in urban Shanghai during winter Y. Zhao et al. https://doi.org/10.1016/j.aosl.2026.100865
28 citations as recorded by crossref.
- How far can we improve urban air quality and population exposure by changing mobility? An analysis in Paris L. Lugon et al. https://doi.org/10.1016/j.scitotenv.2025.180266
- High spatiotemporal resolution vehicular ammonia emission inventory in Shanghai, China based on measured emission factor R. Li et al. https://doi.org/10.1016/j.apr.2026.102976
- The global impact of the transport sectors on the atmospheric aerosol and the resulting climate effects under the Shared Socioeconomic Pathways (SSPs) M. Righi et al. https://doi.org/10.5194/esd-14-835-2023
- Updating On-Road Vehicle Emissions for China: Spatial Patterns, Temporal Trends, and Mitigation Drivers Y. Wen et al. https://doi.org/10.1021/acs.est.3c04909
- Research progress in ceria-based catalysts for the selective catalytic oxidation of NH<sub>3</sub> Y. Cai et al. https://doi.org/10.1360/SSC-2023-0231
- Measurement report: Ammonia in Paris derived from ground-based open-path and satellite observations C. Viatte et al. https://doi.org/10.5194/acp-23-15253-2023
- Implementation of a dry deposition module (DEPAC v3.11_ext) in a large eddy simulation code (DALES v4.4) L. Geers et al. https://doi.org/10.5194/gmd-18-6647-2025
- Impact of M (M = Co, Cu, Fe, Zr) Doping on CeO2-Based Catalysts for Ammonia Selective Catalytic Oxidation at Low Temperatures L. Cheng et al. https://doi.org/10.1007/s10562-024-04820-w
- Investigating the role of ammonia in enhancing secondary organic aerosol formation from the co-photooxidation of anthropogenic and biogenic VOCs Y. Yan et al. https://doi.org/10.5194/acp-26-6147-2026
- N‐Nitrosodimethylamine as an Emerging Environmental Contaminant: Sources, Analytical Advances, and Ecotoxicological and Human Health Risks B. Sana et al. https://doi.org/10.1155/ianc/1536227
- High spatiotemporal resolution ammonia emission inventory from typical industrial and agricultural province of China from 2000 to 2020 C. Zhu et al. https://doi.org/10.1016/j.scitotenv.2024.170732
- Assessing the Influence of NH4+ Volatilization on δ15N Measurements during Active Sampling of Atmospheric NHx N. Bhattarai et al. https://doi.org/10.1021/acsestair.5c00256
- Can the UK meet the World Health Organization PM2.5 interim target of 10 μg m−3 by 2030? D. Dajnak et al. https://doi.org/10.1016/j.envint.2023.108222
- Preliminary Study of the Isotopic Characteristics of Atmospheric Ammonia at a Coal Coking Industrial Park in Taiyuan, China, Using OGAWA Sampling T. Gao et al. https://doi.org/10.3390/atmos17050483
- Summertime Urban Ammonia Emissions May Be Substantially Underestimated in Beijing, China J. Xu et al. https://doi.org/10.1021/acs.est.3c05266
- Long-term spatiotemporal variations of ammonia in the Yangtze River Delta region of China and its driving factors J. Xue et al. https://doi.org/10.1016/j.jes.2024.02.021
- Global health benefits of policies to reduce on-road vehicle pollution through 2040 L. Jin et al. https://doi.org/10.1088/1748-9326/adcd87
- Characteristics of NOX and NH3 emissions from in-use heavy-duty diesel vehicles with various aftertreatment technologies in China L. He et al. https://doi.org/10.1016/j.jhazmat.2023.133073
- Gridded mobile source emissions with multiple processes and pollutants from 2011 to 2020 in China J. Zhao et al. https://doi.org/10.1038/s41597-025-05690-6
- Significant Increase in Ammonia Emissions in China: Considering Nonagricultural Sectors Based on Isotopic Source Apportionment F. Yan et al. https://doi.org/10.1021/acs.est.3c07222
- Surface Waters as a Potential Underestimated Source of Atmospheric Ammonia in the Athabasca Oil Sands Region of Alberta S. Watmough & C. Osborne https://doi.org/10.1007/s00128-025-04165-z
- Characteristics, regional transport and control strategies of atmospheric ammonia in urban Taiyuan, Fenwei Plain, China M. Ren et al. https://doi.org/10.1016/j.apr.2025.102505
- Measurement of Light-Duty Vehicle Exhaust Emissions with Light Absorption Spectrometers B. Giechaskiel et al. https://doi.org/10.3390/technologies12030032
- Local atmospheric pollution driven by traffic sources, with limited benefits from tree canopy sinks S. Piper et al. https://doi.org/10.1007/s10980-026-02329-8
- Mobile measurement background quantification methods for determining local traffic emissions and background source contributions to ammonia W. Pu et al. https://doi.org/10.1016/j.atmosenv.2024.120523
- High-resolution inventories for Reactive Nitrogen Emissions from China’s livestock during 2005–2022 Y. Chen et al. https://doi.org/10.1038/s41597-025-05394-x
- An investigation into the origins of atmospheric ammonia and ammonium in Beijing — Nitrogen stable isotope ratios as a basis S. Zhen et al. https://doi.org/10.1016/j.envpol.2025.126725
- Explainable machine learning insights into nighttime heterogeneous HONO formation in urban Shanghai during winter Y. Zhao et al. https://doi.org/10.1016/j.aosl.2026.100865
Saved (final revised paper)
Latest update: 13 Jun 2026
Short summary
This study established a high-resolution vehicular NH3 emission inventory for mainland China to quantify the absolute value and relative importance of on-road NH3 emissions for different regions, seasons and population densities. Our results indicate that the significant role of on-road NH3 emissions in populated urban areas may have been underappreciated, suggesting the control of vehicular NH3 emission can be a feasible and cost-effective way of mitigating haze pollution in urban areas.
This study established a high-resolution vehicular NH3 emission inventory for mainland China to...
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