Core Viewpoint - Chengdu has shifted its approach to noise pollution management from passive response to proactive prevention, effectively reducing noise complaints through enhanced industry regulation and community involvement [1] Group 1: Noise Pollution Management Strategies - Chengdu's ecological environment bureau has conducted a comprehensive analysis of noise pollution, identifying high-impact industries and developing management norms to promote self-regulation within these sectors [1] - The city has implemented a "100-day campaign" against noise pollution in 2025, resulting in an 11.9% year-on-year decrease in noise complaints, with specific reductions in social life noise (6.4%), construction noise (19.1%), transportation noise (28.3%), and industrial noise (43.9%) [1] Group 2: Smart Construction Sites - Construction noise, accounting for nearly 30% of total noise complaints, is being addressed through the installation of automatic noise monitoring devices at construction sites, with 2,236 units installed across 1,720 sites by the end of 2024 [2] - A "smart construction site" platform allows for real-time monitoring and quick response to noise complaints, ensuring compliance with regulations and minimizing disturbances [2][3] Group 3: School Noise Management - To address complaints about school broadcasting noise, Chengdu has installed 34 directional sound systems in 9 schools, significantly reducing noise complaints by 52.2% during the 2025 campaign [4] - The directional sound systems are designed to control sound propagation, balancing the needs of students and residents [4] Group 4: Collaborative Governance - Chengdu has enhanced its noise pollution management framework by issuing guidelines for various sectors, including education, sports, and dining, to ensure comprehensive noise control [6] - Collaborative efforts among local government departments have led to a 27.2% decrease in noise complaints from the dining sector in 2024, with a continued decline of 12.8% in 2025 [6] Group 5: Future Directions - Chengdu plans to further improve its noise management systems by adopting advanced technologies and best practices, aiming for a comprehensive noise governance framework that enhances the living environment for residents [7]