Source and Components Analysis of Aerosols in Air Pollution

A special issue of Toxics (ISSN 2305-6304). This special issue belongs to the section "Air Pollution and Health".

Deadline for manuscript submissions: 14 February 2025 | Viewed by 951

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, China
Interests: air pollution; aerosol; haze; air quality monitoring; atmospheric particulate matter

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Guest Editor
State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, China
Interests: air pollution; haze; nitrogen cycle; atmospheric particulate matter; field observation; gaseous nitrite

Special Issue Information

Dear Colleagues,

Research on atmospheric aerosols has received increasing attention in recent years due to its significant impact on our health and climate. In particular, analyses of the sources and components of aerosols have long been a research hotspot in the field of atmospheric environmental science. This Special Issue will focus on the cutting-edge research achievements relating to the sources and composition of aerosols, especially  research on the sources, chemical components, toxicological characteristics, and health effects of aerosols. For this Special Issue, we welcome original research papers on the following topics: methods for analyzing the source of particulate matter; the chemical composition and mechanisms of formation of particulate matter; the physical and microscopic morphology of particulate matter; composition of aerosol organic compounds; toxicological characteristics of aerosol components; and cutting-edge research achievements relating to the health effects of particulate matter.

Prof. Dr. Jian Gao
Dr. Jiaqi Wang
Guest Editors

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Keywords

  • atmospheric aerosols
  • sources and composition of aerosols
  • toxicological characteristics
  • particulate matter
  • aerosol components

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Published Papers (1 paper)

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Research

15 pages, 1579 KiB  
Article
Characteristic Analysis and Health Risk Assessment of PM2.5 and VOCs in Tianjin Based on High-Resolution Online Data
by Yanqi Huangfu, Feng Wang, Qili Dai, Danni Liang, Guoliang Shi and Yinchang Feng
Toxics 2024, 12(9), 622; https://doi.org/10.3390/toxics12090622 - 23 Aug 2024
Viewed by 694
Abstract
This study leveraged 2019 online data of particulate matter (PM2.5) and volatile organic compounds (VOCs) in Tianjin to analyze atmospheric pollution characteristics. PM2.5 was found to be primarily composed of water-soluble ions, with nitrates as the dominant component, while VOCs [...] Read more.
This study leveraged 2019 online data of particulate matter (PM2.5) and volatile organic compounds (VOCs) in Tianjin to analyze atmospheric pollution characteristics. PM2.5 was found to be primarily composed of water-soluble ions, with nitrates as the dominant component, while VOCs were predominantly alkanes, followed by alkenes and aromatic hydrocarbons, with notable concentrations of propane, ethane, ethylene, toluene, and benzene. The receptor model identified six major sources of PM2.5 and seven major sources of VOCs. The secondary source is the main contribution source, while motor vehicles and coal burning are important primary contribution sources in PM2.5. And, industrial processes and natural gas volatilization were considered major contributors for VOCs. A health risk assessment indicated negligible non-carcinogenic risks but potential carcinogenic risks from trace metals As and Cr, and benzene within VOCs, underscoring the necessity for focused public health measures. A risk attribution analysis attributed As and Cr in PM to coal combustion and vehicular emissions. Benzene in VOCs primarily originates from fuel evaporation, and industrial and vehicular emissions. These findings underscore the potential for reducing health risks from PM and VOCs through enhanced regulation of emissions in coal, industry, and transportation. Such strategies are vital for advancing air quality management and safeguarding public health. Full article
(This article belongs to the Special Issue Source and Components Analysis of Aerosols in Air Pollution)
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