To gain a more systematic understanding of the current status and evolving trends in O3 exposure and health risk research, literature was retrieved from the CNKI and Web of Science (WoS) core collection databases. Bibliometric tools in R were used to analyze the Chinese and English literature related to O3 exposure and health. The visualization software Origin and CiteSpace were then used to visualize the results, revealing the research development path in this field. The results showed that research on the health impacts of O3 exposure increased steadily from 2000 to 2025, with 582 and 915 articles in Chinese and English literature, respectively. The research evolution comprised two phases: the budding phase (2000~2016) and the explosive phase (2017 to present). Collaboration among countries, institutions, and authors was relatively close in the English literature. The trends in English research progressed through four stages: technological accumulation and initial concern, exposure assessment and preliminary exploration of health effects, in-depth study of long-term exposure and health, and health burden assessment and policy guidance. Chinese keywords focused mainly on three aspects: health effects and impacts, pollution sources and formation processes, and temporal-spatial distribution and variation. Chinese literature evolved through three stages: early research and exposure assessment (2009~2015), identification of pollution sources (2016~2020), and the introduction of high-tech methods for risk assessment in specific groups (2021~2025).
| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |