推窗见山畅胸怀、公园城市动人心，成都全力打造山水人城和谐相融的美丽城市

Core Viewpoint - Chengdu has made significant progress in improving air quality and enhancing its ecological environment, achieving historical bests in PM2.5 concentration and the number of "good" air quality days in 2024 [2][3]. Group 1: Air Quality Improvement - In 2024, Chengdu's air quality achieved the lowest PM2.5 concentration and the highest number of "good" days in history, with PM10 and PM2.5 concentrations decreasing by 25% and 28.1% respectively compared to the beginning of the 14th Five-Year Plan [2]. - The number of "good" air quality days increased by 26 days year-on-year [2]. Group 2: Water Quality Enhancement - Chengdu has focused on the integrated management of water resources, environment, and ecology, resulting in significant improvements in water quality, with the Huanglong Creek outlet achieving a historic upgrade from inferior V class to II class [2]. - Major river basin water quality remains excellent, and several lakes have been recognized as exemplary cases for beautiful river and lake projects [2]. Group 3: Urban Ecological Development - Chengdu has completed the greening of 350,000 acres and has increased forest coverage to 40.5% and urban greening coverage to 44.7% [2]. - The city has been recognized as a global "Biodiversity Charming City," and its "Urban Green Heart Plan" won the 2024 World Green City Award [2]. Group 4: Community and Citizen Engagement - The city has implemented initiatives to enhance community engagement in ecological projects, resulting in the construction of over 1,500 parks and the establishment of a greenway network exceeding 9,000 kilometers [3]. - Complaints regarding noise and environmental issues have significantly decreased, with a 66% reduction in complaints about restaurant oil fume issues [3]. Group 5: Economic and Industrial Transformation - Chengdu is promoting green development by implementing low-emission standards in key industries, with over 273 enterprises achieving A and B grade certifications [4]. - The city has achieved a clean energy share of 62.6%, surpassing the national average by 36.2 percentage points [4]. Group 6: Service and Regulatory Improvements - Chengdu has introduced a series of measures to optimize the business environment, including a three-tiered environmental service system and streamlined project approval processes, improving efficiency by 30% [5][6]. - The city is focusing on integrating cultural and tourism sectors with ecological initiatives, promoting sustainable tourism and low-carbon events [6].