Workflow
多污染物协同控制
icon
Search documents
吉林省生态质量状况连续21年保持良好
Zhong Guo Xin Wen Wang· 2025-12-02 11:55
吉林省生态质量状况连续21年保持良好 中新网长春12月2日电 (金乔)吉林省生态环境厅副厅长张天华2日在长春介绍,该省生态质量状况连续21 年保持良好。 "良好生态环境是最普惠的民生福祉。"张天华当天在中共吉林省委新闻发布会上如是说。 数据显示,"十四五"以来,吉林省生态环境质量持续改善,空气质量稳定保持在全国第一方阵,优良天 数比例由"十四五"初期的89.8%提高到2024年的92.9%,细颗粒物(PM2.5)浓度由31微克/立方米降至26.9 微克/立方米;地表水国控断面优良水体比例由73.8%升至89%,劣五类水体全面消除,连续4年刷新历 史最好水平;土壤环境稳中向好。 长白山绿渊潭。(资料图)金乔 摄 动,提高公众环境健康保障水平。 同时,健全生态安全工作协调机制,持续开展"绿盾"专项行动,加强重要生态空间监管,实施生物多样 性保护战略行动计划,强化大长白山区域生态环境保护,不断提升生态系统多样性、稳定性、持续性。 (完) 来源:中国新闻网 编辑:付健青 广告等商务合作,请点击这里 本文为转载内容,授权事宜请联系原著作权人 张天华表示,"十五五"时期,将强化多污染物协同控制和区域协同治理,持续推进燃煤 ...
北京PM2.5年均浓度四年再降两成,“十五五”怎么干?
Xin Jing Bao· 2025-11-10 04:29
Core Insights - Beijing has achieved a milestone in air quality improvement since the "14th Five-Year Plan," with PM2.5 annual average concentration decreasing from 38 micrograms per cubic meter in 2020 to 30.5 micrograms per cubic meter in 2024, marking a 19.7% reduction over four years and effectively eliminating heavy pollution days [1][2] Group 1: Air Quality Improvement - The average PM2.5 concentration in Beijing from January to September this year was 24.9 micrograms per cubic meter, a 15.0% year-on-year decrease, with 226 days classified as good air quality, an increase of 18 days compared to the previous year [2] - Compared to 2013, when the PM2.5 annual average was 89.5 micrograms per cubic meter, the heavy pollution days are projected to drop from 58 days to just 2 days by 2024, a reduction of 96.6% [2] Group 2: Governance and Management Strategies - Beijing has implemented a "0.1 microgram" action plan to enhance PM2.5 governance, focusing on a detailed management system that includes "unit governance," "source greening," and "intelligent empowerment" [3] - A monitoring network covering all districts has been established since 2018, with over 1,000 air quality monitoring stations, facilitating data sharing for better air quality assessment [3] Group 3: Emission Reduction Initiatives - The city has achieved over 50% new energy vehicle adoption this year, with monthly new energy vehicle rates for machinery remaining above 90% [4] - The introduction of clean production audits and tailored governance for enterprises has led to the establishment of 832 new green enterprises in the first eight months of this year, quadrupling last year's figures [4] Group 4: Advanced Monitoring and Response - A "three-monitoring" model has been developed to support precise management and scientific decision-making, integrating data from various sources to enhance pollution detection [6][7] - The city has established a rapid response mechanism for pollution issues, achieving a closure rate of over 17,000 problem cases since implementation [7] Group 5: Future Directions - Looking ahead to the "15th Five-Year Plan," Beijing aims to enhance multi-pollutant collaborative control, focusing on synergistic effects of pollution reduction and carbon reduction, with PM2.5 governance as a primary focus [8] - The city plans to optimize mobile source structures and promote green low-carbon transitions in industrial sources, enhancing fine governance in mega-cities [8]
夏季高温天气,如何抓好臭氧污染治理?
Group 1 - The core viewpoint highlights the early onset and widespread nature of ozone pollution in China this year, with a notable difference in pollution levels between northern and southern regions [1] - Source control is emphasized as a critical first step, focusing on reducing emissions from industrial enterprises and vehicles, particularly targeting nitrogen oxides and volatile organic compounds (VOCs) [1] - The promotion of low-VOC coatings and environmentally friendly production processes in industries is recommended to minimize VOC emissions [1] Group 2 - Strengthening the collaborative control of multiple pollutants, especially fine particulate matter (PM2.5) and ozone, is crucial due to their positive correlation [1] - Regional cooperation is necessary for effective pollution management, including timely sharing of information and alerts during heavy pollution events [1] - Urban spatial planning should optimize the layout of pollution sources, increase green coverage, and establish effective buffer zones to mitigate ozone's impact on residents [2] Group 3 - Research on the mechanisms of ozone formation and monitoring of precursor pollutants is essential for effective management [2] - Customized emergency control plans should be developed based on specific locations and pollution levels to manage ozone pollution peaks [2] - Individual actions towards adopting green and environmentally friendly lifestyles are necessary to reduce emissions of ozone precursor substances [2]