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Current progress on tropospheric Ozone sources, biological effects and trends
Linqing Jiang1, Hui Peng1, Yaoyu Zhou1
1Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of Environment and Ecology, Hunan Agricultural University, Changsha City, 410128, China.
International Journal of Biometeorology
|September 19, 2025
Summary
Elevated tropospheric ozone (O3), driven by human-emitted nitrogen oxides (NOx) and volatile organic compounds (VOCs), harms health and ecosystems. Understanding ozone trends is crucial for assessing and mitigating its environmental and health impacts.
Area of Science:
- Environmental Science
- Atmospheric Chemistry
- Public Health
Background:
- Anthropogenic emissions of nitrogen oxides (NOx) and volatile organic compounds (VOCs) lead to elevated tropospheric ozone (O3).
- Tropospheric ozone negatively impacts human health, crops, and ecosystems.
- Accurate estimation of ground-level ozone trends is vital for assessing health burdens.
Purpose of the Study:
- To review current knowledge on tropospheric ozone sources, trends, and biological effects.
- To enhance understanding of ozone and precursor interactions and their environmental impacts.
- To contribute to effective assessment and control strategies for surface ozone.
Main Methods:
- Literature review of recent research on tropospheric ozone.
- Analysis of complex photochemical reactions and non-linear precursor relationships.
- Synthesis of data on ozone formation, distribution, and biological effects.
Main Results:
- Ozone formation is complex and non-linearly related to its precursors.
- Characterizing ozone's source and distribution at precise spatio-temporal resolutions remains challenging.
- Current knowledge on ozone's environmental and health impacts is summarized.
Conclusions:
- Effective assessment and control of surface ozone require a comprehensive understanding of its sources, trends, and impacts.
- Further research is needed to address challenges in spatio-temporal analysis of ozone.
- Mitigation strategies for ozone precursors are essential for reducing ozone's negative effects.
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