Core Viewpoint - The report "Air Quality in China 2025: Best Practices for Air Pollution Prevention and Control" highlights significant achievements in air pollution control in China over the past decade, emphasizing the role of cities and regions in improving air quality through collaborative governance and innovative practices [1][3]. Group 1: Achievements in Air Quality Improvement - Since the implementation of the Clean Air Action in 2013, China's overall air quality has steadily improved, with PM2.5 annual average concentrations in 339 cities decreasing by 59% compared to 2013, and heavy pollution days reduced by over 90% [3][4]. - The report showcases exemplary practices from key cities and regions, aiming to provide replicable experiences for broader air quality improvement efforts [1][4]. Group 2: Innovative Practices and Case Studies - The report includes notable case studies such as the collaborative air pollution control in the Beijing-Tianjin-Hebei region, which has evolved into a representative model for regional governance [6][4]. - Shanghai's approach to VOCs (Volatile Organic Compounds) management has transitioned from individualized solutions to standardized management, enhancing regulatory efficiency [7][8]. - Chengdu's "near-zero carbon construction site" pilot project focuses on reducing emissions from construction activities, showcasing innovative practices in the construction industry [9][10]. Group 3: Future Challenges and Directions - As air pollution characteristics and demands evolve, the report indicates that China is entering a new phase of deepening and upgrading air pollution control efforts, necessitating enhanced regional cooperation and governance capabilities [4][11]. - Experts emphasize the need for improved forecasting capabilities and regulatory effectiveness to address ongoing challenges in air quality management [11][13].