Xuesen Tian

Spatiotemporal characteristics and trends of combined PM2.5 and O₃ pollution across the central plains: a decadal analysis of Henan, China (2016–2025)

The co-occurrence of fine particulate matter (PM 2.5 ) and surface ozone (O₃) pos es an environmental challenge to high-quality development in China. Henan Province, a major agricultural and industrial center in the Central Plains, faces particular difficulties in coordinating PM...