Dou, Xiaodong
Hou, Shengfang
Shen, Yinghua
Peng, Qiyang
Liu, Huajun
Yi, Qi
Liu, Yujie
Funding for this research was provided by:
Yunnan Provincial Key R&D Program of China (202203AC100005)
China Meteorological Administration Innovation and Development Project (CXFZ2024J045)
National Natural Science Foundation of China (42165004)
Scientific Research Foundation of Education Department of Yunnan Province of China (2023Y0192)
Article History
Received: 1 April 2025
Revised: 1 August 2025
Accepted: 14 August 2025
First Online: 20 August 2025
Declarations
:
: The authors declare no competing interests. This study is based on negative air ion data collected from air quality instruments and does not involve human participants or animal subjects. Therefore, ethical approval, consent to participate, and consent to publish are not required.