Articles | Volume 22, issue 20
https://doi.org/10.5194/acp-22-13833-2022
© 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-22-13833-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
27 Oct 2022
Research article |
| 27 Oct 2022
| 27 Oct 2022
Long-term trends and drivers of aerosol pH in eastern China
Min Zhou
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
School of Atmospheric Sciences, Nanjing University, Nanjing 210023,
China
Guangjie Zheng
Minerva Research Group, Max Planck Institute for Chemistry, 55128 Mainz, Germany
Hongli Wang
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
Liping Qiao
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
Shuhui Zhu
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
DanDan Huang
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
Jingyu An
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
Shengrong Lou
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
Shikang Tao
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
Qian Wang
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
Rusha Yan
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
Yingge Ma
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
Changhong Chen
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
Yafang Cheng
Minerva Research Group, Max Planck Institute for Chemistry, 55128 Mainz, Germany
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
Multiphase Chemistry Department, Max Planck Institute for Chemistry, 55128 Mainz, Germany
Cheng Huang
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
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- Rapid aqueous-phase dark reaction of phenols with nitrosonium ions: Novel mechanism for atmospheric nitrosation and nitration at low pH B. Cai et al. 10.1093/pnasnexus/pgae385
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- Significant Reductions in Secondary Aerosols after the Three-Year Action Plan in Beijing Summer Y. Li et al. 10.1021/acs.est.3c02417
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- Toxic Potencies of Particulate Matter from Typical Industrial Plants Mediated with Acidity via Metal Dissolution X. Song et al. 10.1021/acs.est.4c00929
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- Quantitative analysis of influencing factors to aerosol pH and its responses to PM2.5 and O3 pollution in a coastal city K. Xu et al. 10.1016/j.jes.2024.03.044
- Notable effects of crustal matters on HONO formation by the redox reaction of NO2 with SO2 in an inland city of China M. Wang et al. 10.1016/j.atmosres.2024.107392
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- Multiphase Buffering: A Mechanistic Regulator of Aerosol Sulfate Formation and Its Dominant Pathways J. Gao et al. 10.1021/acs.est.4c13744
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- Development of an integrated machine learning model to improve the secondary inorganic aerosol simulation over the Beijing–Tianjin–Hebei region N. Ding et al. 10.1016/j.atmosenv.2024.120483
- Chemical Characterization and Source Apportionment of PM10 Using Receptor Models over the Himalayan Region of India N. Choudhary et al. 10.3390/atmos14050880
- Secondary inorganic aerosols and aerosol acidity at different PM2.5 pollution levels during winter haze episodes in the Sichuan Basin, China X. Fu et al. 10.1016/j.scitotenv.2024.170512
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- Quantifying Contributions of Factors and Their Interactions to Aerosol Acidity with a Multiple-Linear-Regression-Based Framework: A Case Study in the Pearl River Delta, China H. Ling et al. 10.3390/atmos15020172
- Rising Alkali-to-Acid Ratios in the Atmosphere May Correspond to Increased Aerosol Acidity G. Zheng et al. 10.1021/acs.est.4c06860
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26 citations as recorded by crossref.
- Significant Impact of Reactive Chlorine on Complex Air Pollution Over the Yangtze River Delta Region, China X. Yi et al. 10.1029/2023JD038898
- Review of health effects driven by aerosol acidity: Occurrence and implications for air pollution control X. Song et al. 10.1016/j.scitotenv.2024.176839
- Driving factors of aerosol acidity: a new hierarchical quantitative analysis framework and its application in Changzhou, China X. Duan et al. 10.5194/acp-25-3919-2025
- Elucidating Decade-Long Trends and Diurnal Patterns in Aerosol Acidity in Shanghai Z. Lv et al. 10.3390/atmos15081004
- Characteristics of the long-term variations in sulfate–nitrate–ammonium aerosols in a coastal city in Northern China—Interpretability analysis from a machine learning perspective J. Huang et al. 10.1016/j.atmosenv.2025.121245
- A quantitative study on the influencing pathways of aerosol acidity: the non-neglectable role of non-ideality H. Cui et al. 10.1016/j.atmosenv.2025.121256
- On using an aerosol thermodynamic model to calculate aerosol acidity of coarse particles Z. Fang et al. 10.1016/j.jes.2023.07.001
- Rapid aqueous-phase dark reaction of phenols with nitrosonium ions: Novel mechanism for atmospheric nitrosation and nitration at low pH B. Cai et al. 10.1093/pnasnexus/pgae385
- Seasonal variation of aerosol iron solubility in coarse and fine particles at an inland city in northwestern China H. Zhang et al. 10.5194/acp-23-3543-2023
- Significant Reductions in Secondary Aerosols after the Three-Year Action Plan in Beijing Summer Y. Li et al. 10.1021/acs.est.3c02417
- Direct Observation of Particle-To-Particle Variability in Ambient Aerosol pH Using a Novel Analytical Approach Based on Surface-Enhanced Raman Spectroscopy H. Yoo et al. 10.1021/acs.est.4c00220
- Toxic Potencies of Particulate Matter from Typical Industrial Plants Mediated with Acidity via Metal Dissolution X. Song et al. 10.1021/acs.est.4c00929
- Budget of atmospheric nitrous acid (HONO) during the haze and clean periods in Shanghai: Importance of heterogeneous reactions J. Feng et al. 10.1016/j.scitotenv.2023.165717
- Quantitative analysis of influencing factors to aerosol pH and its responses to PM2.5 and O3 pollution in a coastal city K. Xu et al. 10.1016/j.jes.2024.03.044
- Notable effects of crustal matters on HONO formation by the redox reaction of NO2 with SO2 in an inland city of China M. Wang et al. 10.1016/j.atmosres.2024.107392
- Size‐Resolved Atmospheric Phosphorus in Shanghai: Seasonal Variations, Sources and Dry Deposition Y. Meng et al. 10.1029/2022JD037752
- Trends and drivers of soluble iron deposition from East Asian dust to the Northwest Pacific: a springtime analysis (2001–2017) H. Zhu et al. 10.5194/acp-25-5175-2025
- Long-term trends and sensitivities of PM2.5 pH and aerosol liquid water to chemical composition changes and meteorological parameters in Hong Kong, South China: Insights from 10-year records from three urban sites T. Nah et al. 10.1016/j.atmosenv.2023.119725
- Multiphase Buffering: A Mechanistic Regulator of Aerosol Sulfate Formation and Its Dominant Pathways J. Gao et al. 10.1021/acs.est.4c13744
- Novel Device for in Situ and Real-Time Detection of the Acidity of Ambient Aerosols: Laboratory Characterization and Ambient Measurements G. Li et al. 10.1021/acs.est.4c09221
- Development of an integrated machine learning model to improve the secondary inorganic aerosol simulation over the Beijing–Tianjin–Hebei region N. Ding et al. 10.1016/j.atmosenv.2024.120483
- Chemical Characterization and Source Apportionment of PM10 Using Receptor Models over the Himalayan Region of India N. Choudhary et al. 10.3390/atmos14050880
- Secondary inorganic aerosols and aerosol acidity at different PM2.5 pollution levels during winter haze episodes in the Sichuan Basin, China X. Fu et al. 10.1016/j.scitotenv.2024.170512
- Evaluating the impact of control measures on sulfate-nitrate-ammonium aerosol variations and their formation mechanism in northern China during 2022 Winter Olympic Games Z. Gui et al. 10.1016/j.atmosres.2024.107579
- Quantifying Contributions of Factors and Their Interactions to Aerosol Acidity with a Multiple-Linear-Regression-Based Framework: A Case Study in the Pearl River Delta, China H. Ling et al. 10.3390/atmos15020172
- Rising Alkali-to-Acid Ratios in the Atmosphere May Correspond to Increased Aerosol Acidity G. Zheng et al. 10.1021/acs.est.4c06860
Latest update: 30 May 2025
Short summary
The trend of aerosol pH and its drivers is crucial in understanding the multiphase formation pathways of aerosols. We reported the first trend analysis of aerosol pH from 2011 to 2019 in eastern China. Although significant variations of aerosol compositions were observed from 2011 to 2019, the aerosol pH estimated by model only slightly declined by 0.24. Our work shows that the opposite effects of SO42− and non-volatile cation changes play key roles in determining the moderate pH trend.
The trend of aerosol pH and its drivers is crucial in understanding the multiphase formation...
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