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Advances in Source Tracing and the Control of Ozone and...
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Advances in Source Tracing and the Control of Ozone and Its Precursors

A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Air Pollution Control".

Deadline for manuscript submissions: closed (20 March 2025) | Viewed by 2875

Special Issue Editors

Dr. Qiaoli Wang

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Guest Editor
College of Environment, Zhejiang University of Technology, Hangzhou 310023, China
Interests: air pollution; source tracing; VOCs; ozone; source profiles
Dr. Yao Shen

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Guest Editor
College of Environment, Zhejiang University of Technology, Hangzhou 310023, China
Interests: air pollution control; CO2 capture; mass transfer kinetics

Special Issue Information

Dear Colleagues,

Air pollution control is an ongoing subject of concern regarding human health, especially regional O3 pollution, which arises as a secondary consequence of VOCs and NOx as precursors. In addition, O3, NOx, VOC, and CO2 emissions have also had a significant impact on climate change. The industry sector has emerged as the predominant contributor to air pollutants and carbon emissions due to its high quantity and intensity of emissions. However, the control of air pollution in industrial parks still faces challenges due to their limited scale, intricate emissions, and diverse meteorological factors.

The accurate source tracing of O3 and its precursors is fundamental for effective air quality management and control strategies, while efficient disposal techniques are crucial for reducing emission quantities. Therefore, the focus of this Special Issue is on presenting advanced techniques, including O3 formation investigation, source tracing, and pollutant disposal methods for VOCs and NOx, within the context of collaborative carbon emission reduction efforts. The focus of this Special Issue is on the mechanisms of O3 formation, the source tracing of O3 and its precursors, the disposal of VOCs and NOx pollution, and carbon capture, as well as advanced studies on emission inventory, source profiles, and carbon emission accounting in industrial parks or sectors. The aim of this Special Issue is to present the most recent research on the advancements, challenges, and prospects in the cooperative control of air pollution and carbon emissions.

Dr. Qiaoli Wang
Dr. Yao Shen
Guest Editors

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Atmosphere is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • source tracing ozone
  • VOCs
  • NOx
  • CO2 capture
  • air pollution control

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Published Papers (4 papers)

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Research

23 pages, 4098 KiB  
Article
Construction and Application of Air Pollutants Emission Accounting Model for Typical Polluting Enterprises Based on Power Big Data
by Chunlei Zhou, Peng Jiang, Runcao Zhang, Fubai Li, Chenxi Xu and Yu Bo
Atmosphere 2025, 16(4), 375; https://doi.org/10.3390/atmos16040375 - 26 Mar 2025
Viewed by 86
Abstract
Atmospheric pollution exacerbates climate change and ecosystem degradation. The accurate and timely calculation of emissions from various pollution sources is crucial for effective source control. This study is based on multi-source heterogeneous data from typical polluting industries, including electricity consumption, production load, and [...] Read more.
Atmospheric pollution exacerbates climate change and ecosystem degradation. The accurate and timely calculation of emissions from various pollution sources is crucial for effective source control. This study is based on multi-source heterogeneous data from typical polluting industries, including electricity consumption, production load, and pollution emission data. It systematically analyzes multi-dimensional features and dynamic association mechanisms and constructs an Electricity–Production–Pollution recursive accounting model to quantify the response relationship between electricity consumption and pollutant emissions. The model establishes a theoretical framework and technical pathway for precise pollution source regulation driven by power big data. Using the emission accounting model, the annual PM2.5 emission totals for cement, coking, brick, and ceramic industries in the pilot city were calculated. The relative error range compared to the urban emission inventory was −17.55% to 1.07%, and the emission calculation errors for individual companies were also within an ideal range (−19.31% to 15.63%). The model can perform real-time calculations of air pollutant emissions, such as daily emission changes, by monitoring an enterprise’s electricity consumption, thereby improving the precision of pollution source emission control. Full article
(This article belongs to the Special Issue Advances in Source Tracing and the Control of Ozone and Its Precursors)
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20 pages, 2997 KiB  
Article
A Case Study of Ozone Pollution in a Typical Yangtze River Delta City During Typhoon: Identifying Precursors, Assessing Health Risks, and Informing Local Governance
by Mei Wan, Xinglong Pang, Xiaoxia Yang, Kai Xu, Jianting Chen, Yinglong Zhang, Junyue Wu and Yushang Wang
Atmosphere 2025, 16(3), 330; https://doi.org/10.3390/atmos16030330 - 14 Mar 2025
Viewed by 170
Abstract
Ozone (O3) is a crucial atmospheric component that significantly affects air quality and poses considerable health risks to humans. In the coastal areas of the Yangtze River Delta, typhoons, influenced by the subtropical high-pressure system, can lead to complex ozone pollution [...] Read more.
Ozone (O3) is a crucial atmospheric component that significantly affects air quality and poses considerable health risks to humans. In the coastal areas of the Yangtze River Delta, typhoons, influenced by the subtropical high-pressure system, can lead to complex ozone pollution situations. This study aimed to explore the causes, sources, and health risks of O3 pollution during such events. Ground-based data from Jiaxing City’s key ozone precursor (VOCs) composition observations, ERA5 reanalysis data, and models CMAQ-ISAM and PMF were employed. Focusing on the severe ozone pollution event in Jiaxing from 3 to 11 September 2022, the results showed that local ozone production was the main contributor (60.8–81.4%, with an average of 72.3%), while external regional transport was secondary. Concentrations of olefins and aromatic hydrocarbons increased remarkably, playing a vital role in ozone formation. Meteorological conditions, such as reduced cloud cover during typhoon periphery transit, promoted ozone accumulation. By considering the unique respiratory exposure habits of the Chinese population, refined health risk assessments were conducted. Acrolein was found to be the main cause of chronic non-carcinogenic risks (NCRs), with NCR values reaching 1.74 and 2.02 during and after pollution. In lifetime carcinogenic risk (LCR) assessment, the mid-pollution LCR was 1.73 times higher, mainly due to 1,2-dichloroethane and benzene. This study presents a methodology that is readily adaptable to analogous pollution incidents, thereby providing a pragmatic framework to guide actionable local government policy-making aimed at safeguarding public health and mitigating urban ozone pollution. Full article
(This article belongs to the Special Issue Advances in Source Tracing and the Control of Ozone and Its Precursors)
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14 pages, 5324 KiB  
Article
An Analysis of Regional Ozone Pollution Generation and Intercity Transport Characteristics in the Yangtze River Delta
by Yu Cao, Jinghui Ma, Xiaoyi Wang and Juanjuan Bian
Atmosphere 2025, 16(2), 158; https://doi.org/10.3390/atmos16020158 - 31 Jan 2025
Viewed by 428
Abstract
Understanding the relative contributions of regional transport and local generation, alongside the nonlinear relationships between ozone (O3) and its precursors, is essential for formulating effective O3 pollution control strategies. The Yangtze River Delta region experiences pronounced O3 pollution transmission [...] Read more.
Understanding the relative contributions of regional transport and local generation, alongside the nonlinear relationships between ozone (O3) and its precursors, is essential for formulating effective O3 pollution control strategies. The Yangtze River Delta region experiences pronounced O3 pollution transmission between cities, with pollutants capable of spreading hundreds of kilometers downwind under varying wind, temperature, and humidity conditions. However, the distributional characteristics of regional O3 pollution transmission across different cities within this area remain unclear. This study applies the Texas Commission on Environmental Quality method to assess the spatial distribution of regional background and locally generated ozone concentrations, while using a composite analysis to examine the wind and temperature field characteristics during typical years of high ozone transport and local generation episodes. The results indicate that ozone concentrations across regions are strongly influenced by local wind anomalies, with elevated temperatures correlating with high O3 concentrations. Furthermore, an algorithm based on observed O3 concentrations and ground-level wind data was developed to quantify pollution transport rates more accurately, addressing uncertainties in pollutant transport dynamics due to variable wind fields and identifying “false” potential source areas. The findings reveal that intercity transport within the Yangtze River Delta contributes 45.2–65.1% to regional O3 levels, exceeding local generation in impact. Shanghai experiences the highest transmission influence (over 50%), while Zhejiang Province shows a dominant local generation influence (below 20%). In Anhui Province, O3 concentrations are notably high, with significant internal transport and substantial transmission to Jiangsu Province. This study offers valuable insights into the pathways, traceability, and three-dimensional wind field characteristics of O3 pollution across cities in the Yangtze River Delta, elucidating the dynamic mechanisms necessary for mitigating O3 pollution transmission in diverse urban settings. Full article
(This article belongs to the Special Issue Advances in Source Tracing and the Control of Ozone and Its Precursors)
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21 pages, 3538 KiB  
Article
Observation-Based Ozone Formation Rules by Gradient Boosting Decision Trees Model in Typical Chemical Industrial Parks
by Nana Cheng, Deji Jing, Zhenyu Gu, Xingnong Cai, Zhanhong Shi, Sujing Li, Liang Chen, Wei Li and Qiaoli Wang
Atmosphere 2024, 15(5), 600; https://doi.org/10.3390/atmos15050600 - 14 May 2024
Cited by 3 | Viewed by 1352
Abstract
Ozone pollution in chemical industrial parks is severe and complicated and is significantly influenced by pollutant emissions and meteorological parameters. In this study, we innovatively investigated the formation rules of ozone by using observation-based analyses and a gradient-boosting decision tree (GBDT) model, focusing [...] Read more.
Ozone pollution in chemical industrial parks is severe and complicated and is significantly influenced by pollutant emissions and meteorological parameters. In this study, we innovatively investigated the formation rules of ozone by using observation-based analyses and a gradient-boosting decision tree (GBDT) model, focusing on a typical chemical industrial park located in the Yangtze River Delta of China. The results revealed that ozone concentration was positively correlated with temperature while negatively correlated with NO2 concentration and relative humidity (RH). Ozone pollution was predominantly observed from April to October (M4–10). The optimized GBDT model was subsequently utilized to establish a specific and quantifiable relationship between each single dominant impact factor (RH, NO2, temperature, and PM2.5) and ozone within a complex and uncertain multi-factor context during M4–10. Detailed discussions were conducted on the reaction rate of ozone-related to different levels of RH and temperature. The accumulation of ozone was favored by high temperature and low RH, with the maximum ozone concentration observed at the RH of 50% and the temperature of 35 °C. The NO2-O3 change curve exhibited distinct phases, including a period of stability, gradual increase, rapid increase, and equilibrium. During the second and third periods, the ratio of ozone production to NO2 consumption was 0.10 and 2.73, respectively. Furthermore, there was a non-monotonic relationship between variations in ozone concentration and PM2.5 concentration. Hence, it is imperative to implement fine control strategies in the park, such as adopting seasonal production strategies, implementing targeted measures for controlling NOx and active VOCs, and employing special control methods during periods of high temperature. This study provides aid in achieving effective management of localized ozone pollution and ensuring compliance with air quality standards. Full article
(This article belongs to the Special Issue Advances in Source Tracing and the Control of Ozone and Its Precursors)
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