Impact of Toxic and Harmful Volatile Organic Compounds on Health and Ecology

A special issue of Toxics (ISSN 2305-6304).

Deadline for manuscript submissions: 31 July 2026 | Viewed by 1236

Special Issue Editors


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Guest Editor
State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
Interests: atmospheric complex pollution; toxic VOCs; convention-controlled halogenated hydrocarbons
State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
Interests: secondary organic aerosols; S/IVOCs; physicochemical properties
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Guest Editor
State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
Interests: SOA; VOCs; atmospheric complex pollution

Special Issue Information

Dear Colleagues,

Volatile Organic Compounds (VOCs) are ubiquitously present in aqueous, terrestrial, and atmospheric environments. Under ambient conditions, VOCs exist as vapors in the atmosphere and are likely the second most prevalent category of atmospheric pollutants after particulate matter, exhibiting an extensive distribution and remarkable diversity. Many VOC species demonstrate hazardous effects on human health, characterized by insidious, latent and cumulative toxicological properties. Concurrently, VOCs exert significant impacts on atmospheric environments. Specific VOCs actively participate in atmospheric photochemical oxidation processes, generating harmful photochemical oxidants such as ozone while contributing to the formation of secondary particulate matter in the atmosphere. Certain VOCs (e.g., chlorofluorocarbons) exhibit ozone-depleting properties, and others have strong infrared radiation absorption capacity, thereby contributing to global climate warming. In light of this, this Special Issue of the journal is hereby dedicated to presenting recent advances, knowledge gaps and future perspectives in research on the "Impact of Toxic and Harmful Volatile Organic Compounds on Health and Ecology". It aims to establish a robust scholarly platform for exchanging scientific achievements in this field, while actively contributing to the effective control of atmospheric VOCs, the protection of air quality and the preservation of human health and ecological integrity.

Prof. Dr. Hong Li
Dr. Junling Li
Dr. Yuanyuan Ji
Guest Editors

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Keywords

  • anthropogenic and natural emissions of atmospheric VOCs
  • transformation, transport and deposition of atmospheric VOCs
  • impact of VOCs on the atmospheric environment
  • human health risk assessment of toxic atmospheric VOCs
  • characterization, sources and control of ODS
  • monitoring, alternative abatement technologies and environmental impact of fluorinated greenhouse gases
  • sources analysis techniques for atmospheric VOCs

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Published Papers (1 paper)

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Research

21 pages, 1231 KB  
Article
Undervalued Contribution of OVOCs to Atmospheric Activity: A Case Study in Beijing
by Kaitao Chen, Ziyan Chen, Fang Yang, Xingru Li and Fangkun Wu
Toxics 2026, 14(1), 77; https://doi.org/10.3390/toxics14010077 - 14 Jan 2026
Viewed by 746
Abstract
VOCs are significant precursors for the formation of O3 and SOA, directly impacting human health. This study employs multiple approaches to analyzing atmospheric VOCs by focusing on OVOCs including aldehydes, ketones, and phenols, with a case study in Beijing, China. We analyzed [...] Read more.
VOCs are significant precursors for the formation of O3 and SOA, directly impacting human health. This study employs multiple approaches to analyzing atmospheric VOCs by focusing on OVOCs including aldehydes, ketones, and phenols, with a case study in Beijing, China. We analyzed the concentration levels and compositions of VOCs and their atmospheric activities, offering a new perspective on VOCs. This analysis was conducted through offline measurements of volatile phenols and carbonyl compounds, complemented by online VOC observations during the summer period of high O3 levels. The total atmospheric VOCs concentration was found to be 51.29 ± 10.01 ppbv, with phenols contributing the most (38.87 ± 11.57%), followed by carbonyls (34.91 ± 6.85%), and aromatics (2.70 ± 1.03%, each compound is assigned to only one category based on its primary functional group, with no double counting). Carbonyls were the largest contributors to the OFP at 59.03 ± 14.69%, followed by phenols (19.94 ± 4.27%). The contribution of phenols to the SOAFP (43.37 ± 9.53%) and the LOH (67.74 ± 16.72%) is dominant. Among all quantified VOC species, phenol and formaldehyde exhibited the highest species-level contributions to atmospheric reactivity metrics, including LOH, OFP and SOAFP, owing to their combination of elevated concentrations and large kinetic or MIR coefficients. Using the PMF model for source analysis, six main sources of volatile organic compounds were identified. Solvent use and organic chemicals production were found to be the primary contributors, accounting for 31.76% of the total VOCs emissions, followed by diesel vehicle exhaust (17.80%) and biogenic sources (15.51%). This study introduces important OVOCs such as phenols, re-evaluates the importance of OVOCs and their role in atmospheric chemical processes, and provides new insights into atmospheric VOCs. These findings are crucial for developing effective air pollution control strategies and improving air quality. This study emphasizes the importance of OVOCs, especially aldehydes and phenols, in the mechanism of summer O3 generation. Full article
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