Changchun Long-term characteristics of criteria air pollutants in megacities of Harbin-Changchun megalopolis, Northeast China: Spatiotemporal variations, source analysis, and meteorological effects – ScienceDirect.comby Capital-Cities February 19, 2025
China Summer O3 pollution cycle characteristics and VOCs sources in a central city of Beijing-Tianjin-Hebei area, China – sciencedirect.comby Capital-Cities February 14, 2025
