大气污染治理
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陕西发布上半年生态环境“成绩单”
Zhong Guo Huan Jing Bao· 2025-08-19 01:33
Core Viewpoint - The ecological environment quality in Shaanxi Province has shown continuous improvement in the first half of 2025, with better air quality, stable soil quality, and overall good river water quality [2][11]. Group 1: Air Quality Improvement - The air quality index for the 10 national monitoring cities in Shaanxi improved by 2.9% year-on-year, with a comprehensive index of 4.08 [14]. - The average concentration of PM2.5 improved by 3.2% year-on-year, with the five cities in the Guanzhong area showing a comprehensive index of 4.48, improving by 4.7% [14]. - The number of good air quality days increased by 46 days compared to the same period last year, averaging 119 good days [14]. Group 2: Water Quality Management - In the Han-Dan River basin, all 35 national control sections maintained water quality at Class II or above, with 12 sections achieving Class I quality, accounting for 34.3% [15]. - The Han River, a major tributary of the Yangtze River, is crucial for the South-to-North Water Diversion Project, and efforts have been made to ensure its water quality remains stable [15][16]. - A total of 31 wastewater treatment plants in the basin achieved Class A discharge standards, with 1,053 administrative villages completing wastewater treatment [15]. Group 3: Soil and Groundwater Management - The soil and groundwater quality in Shaanxi has remained stable, with effective management of contaminated farmland and key construction sites [17]. - A comprehensive plan for soil pollution source prevention has been developed, focusing on agricultural land and involving 61 enterprises in pollution source remediation [17][18]. - The province has initiated investigations and remediation plans for groundwater pollution in chemical parks, with 20 parks starting their assessment and remediation processes [18]. Group 4: Industry and Emission Control - The province has eliminated over 30,000 old diesel trucks and has a significant number of new energy vehicles, ranking 14th nationally in terms of ownership [13]. - 82% of the steel industry capacity has completed ultra-low emission transformations, with 110 out of 268 planned modifications in the cement industry already completed [13][14]. - The province has implemented a performance upgrade program for enterprises, resulting in 43 new enterprises achieving B-level or above performance ratings this year [13].
感知生态之变丨让蓝天常在
国家能源局· 2025-08-11 13:38
Group 1 - The article emphasizes the significant improvement in air quality in China, highlighting the government's efforts in pollution control and the positive impact on citizens' lives [2][7][17] - Since 2013, the number of heavily polluted days has decreased by over 90%, making China the fastest country in the world to improve air quality [7][15] - The article mentions a specific case in Xingtai, where the local steel factory has transformed into a tourist attraction due to improved air quality, showcasing the economic benefits of environmental policies [3][5] Group 2 - Research from Tsinghua University indicates a substantial reduction in harmful pollutants over the past decade, with a notable shift from unpleasant odors to pleasant scents from nature [10][12] - Beijing has implemented a sophisticated air quality monitoring system that integrates data from various sources, leading to more precise pollution management [13][15] - The average annual concentration of PM2.5 in Beijing has decreased from nearly 90 micrograms per cubic meter to 30.5 micrograms, with a 40% reduction in PM2.5 levels across 339 cities [15][17] Group 3 - The article highlights the increased visibility of natural landscapes, with citizens now able to see distant mountains and stars, indicating a significant improvement in air clarity [17][19] - Public perception of air quality has shifted, with citizens now taking photos of sunsets and rainbows rather than just blue skies, reflecting a change in aesthetic appreciation due to cleaner air [19]
感知生态之变丨蓝天常在 大气污染治理跑出中国加速度
Yang Shi Xin Wen Ke Hu Duan· 2025-08-11 08:37
Group 1 - The core viewpoint emphasizes the significant improvement in air quality in China, particularly since the 18th National Congress, leading to a tangible increase in public happiness and well-being [2][5] - The steel industry exemplifies the broader changes in air quality, showcasing the success of the "Blue Sky Defense War" [4] - Since 2013, the number of heavily polluted days has decreased by over 90%, making China the fastest country in the world to improve air quality [5] Group 2 - The transformation of air quality is evident in the reduction of unpleasant odors, with a notable decline in PM10 and other harmful pollutants over the past decade [8][12] - A sophisticated air quality monitoring network in Beijing integrates data from various sources, enabling precise governance and management of air quality [10] - The annual average concentration of PM2.5 in Beijing has dropped from nearly 90 micrograms per cubic meter to 30.5 micrograms, with a nearly 40% reduction in PM2.5 levels across 339 cities [12] Group 3 - The visibility of blue skies has increased, with an average of 22 more blue sky days per city over the past decade, and the number of stargazing spots has increased twentyfold since 2016 [14] - Public perception of air quality has shifted, with residents now appreciating the beauty of the sky and natural scenery rather than merely noticing the absence of smog [16]
完善环境标准体系,推动“十五五”大气污染治理
Zhong Guo Huan Jing Bao· 2025-08-05 00:24
Group 1 - The year marks the conclusion of the "14th Five-Year Plan" and the planning phase for the "15th Five-Year Plan," with a focus on improving air quality through systematic measures [1] - The continuous improvement of the environmental standards system since 2015 has been a key driver in enhancing air quality, necessitating strong measures for deep emission reductions to achieve the goal of a beautiful China [2] - Current emission reduction measures are categorized into regular and emergency reductions, with many regions relying on collaborative reduction and enhanced pollution source inspections, which have shown limited effectiveness due to the small scale of pollution sources involved [2][3] Group 2 - Local governments are empowered to establish stricter environmental standards than national ones, allowing for tailored approaches to emission reductions based on regional conditions [3] - A well-established environmental standards system can maintain a healthy market order by setting a unified environmental baseline for enterprises, preventing unfair competition and promoting green development [3] Group 3 - The formulation of standards must be scientific and reasonable, ensuring both feasibility and alignment with local realities while referencing advanced practices from other regions [4] - Each standard should focus on addressing key issues, such as discrepancies in emission levels compared to advanced provinces and gaps in monitoring and control processes [4]
上半年陕西空气质量总体向好
Shan Xi Ri Bao· 2025-08-03 23:59
Group 1 - The overall air quality in Shaanxi province improved in the first half of the year, with a national assessment index of 4.08, a year-on-year improvement of 2.9% [1] - The average number of good air quality days in the province was 134.7, with a good rate of 74.4%, showing a year-on-year improvement of 0.2 percentage points [1] - The top three cities for air quality in Shaanxi were Shangluo, Ankang, and Yan'an, with the Guanzhong area showing a comprehensive index of 4.48, improving by 4.7% year-on-year [1] Group 2 - Shaanxi's key industries have shown significant improvements in pollution control, with the province ranking 14th nationally in the number of new energy vehicles [2] - The clean transportation ratio in industries such as thermal power, steel, coal, and coking has increased to 72%, with a reduction of 2.26 million tons in coal consumption for thermal power units compared to the same period last year [2] - By the end of June, 82% of the steel industry's capacity in Shaanxi had completed ultra-low emission transformations [2]
全国先进工作者丨沈秀娥:监测数据是民生幸福的晴雨表
Zhong Guo Huan Jing Bao· 2025-07-14 00:53
Core Viewpoint - The article highlights the significant advancements made by the Beijing Ecological Environment Monitoring Center in air quality monitoring and pollution management, emphasizing the importance of data-driven approaches in environmental protection [6][7][11]. Group 1: Technological Advancements - The center developed the first domestic PM2.5 organic tracing monitoring method, which can analyze over 50 organic tracers within one hour, improving efficiency by nearly ten times compared to traditional methods [7]. - By 2021, Beijing achieved an annual average PM2.5 concentration of 33 micrograms per cubic meter, a significant reduction from 89.5 micrograms per cubic meter in 2013, meeting national secondary standards for the first time [7]. - The establishment of a "1+N" air quality monitoring platform marked a digital transformation in air quality management, enabling real-time monitoring and data-driven decision-making [8]. Group 2: Operational Excellence - The center implemented a closed-loop scheduling system that captures over 20 types of environmental issues, ensuring a feedback loop of "2 hours for feedback, 4 hours for resolution" [8]. - The monitoring network has transitioned from manual operations to automated systems, allowing for remote real-time monitoring and automatic alerts for data anomalies [8]. - During the 2022 Winter Olympics, the team successfully maintained PM2.5 levels within standards, achieving a 65.2% year-on-year reduction in concentration during the event [9][10]. Group 3: Commitment to Environmental Protection - The center's leadership emphasizes the critical role of frontline monitoring in understanding and addressing air pollution, with a focus on continuous improvement and innovation in monitoring techniques [9][10]. - The dedication of the team is evident in their proactive approach during high pollution events, ensuring that monitoring efforts are robust and responsive to real-time data [10][11].
仪器信息网公众号粉丝福利汇总:各类仪器/实验室优质学习资料、政策文件、配置清单免费下载
仪器信息网· 2025-06-26 01:53
Core Viewpoint - The article emphasizes the importance of following the WeChat public account "Instrument Information Network" to receive updates and resources related to various industry reports and data packages. Group 1: Free Resource Offers - Users can reply with specific codes to receive various free resources, including an upgraded AI data package and a deep research report on smart manufacturing driven by industrial big data [3][6]. - Additional resources available include project lists for equipment updates in Guizhou Province and various guidelines related to health services and scientific research [6][9]. Group 2: Laboratory Configuration and Standards - The article provides a list of free resources related to laboratory configurations, including standards for different types of laboratories such as P3 labs, chemical labs, and environmental labs [11][12]. - Specific guidelines for equipment configuration in secondary hospitals and community health service centers are also available [11][12].
聚焦问题短板科学精准施策狠抓责任落实以最有力举措推动环境空气质量持续改善
Xi An Ri Bao· 2025-06-06 02:37
Group 1 - The meeting focused on improving air quality through targeted measures and accountability in response to environmental challenges [1][2] - The city leadership emphasized the importance of recognizing the urgency of air pollution control and taking political responsibility for ecological protection [1] - Key pollution sources identified include dust, straw burning, heavy truck emissions, industrial pollution, and firework management, with a commitment to significantly reduce emissions from these sources [1] Group 2 - A call for a robust accountability framework was made, including strict penalties for environmental violations and accountability for underperforming units and individuals [1] - The meeting included statements from relevant departments and local party committees, indicating a unified approach to tackling air pollution [1]
坚持源头治理 守护“辽宁蓝”
Liao Ning Ri Bao· 2025-06-06 01:16
Group 1 - The core viewpoint emphasizes the importance of reducing pollutant emissions from enterprises to control air pollution, with specific improvements noted in the steel industry [1][2] - An overview of the environmental upgrades at Chaoyang Steel, including 72 ultra-low emission projects that achieved significant reductions in particulate matter, sulfur dioxide, and nitrogen oxide emissions by 51.85%, 70%, and 60.42% respectively [1] - Liaoning Province has committed to improving air quality, aiming for an average PM2.5 concentration below 34 micrograms per cubic meter and a heavy pollution day ratio below 0.7% by 2025 [1] Group 2 - The implementation of the local standard for air pollutant emissions in the steel industry is a key measure, covering all processes and 33 pollutant emission limits [2] - Five steel enterprises in Liaoning have completed ultra-low emission transformations, expected to reduce pollutants by 38,400 tons [2] - The province's environmental monitoring center has developed a forecasting platform for air quality, allowing for predictions of pollution trends and timely responses [2] Group 3 - A rapid response mechanism for pollution events has been established to proactively manage heavy pollution days, employing measures such as "peak shaving to maintain quality" [3]
全国生态环境质量持续改善,多地环保成绩单亮眼
Di Yi Cai Jing· 2025-05-12 12:24
2024年以来,全国生态环境质量持续改善,改善指标好于"十四五"规划目标时序进度要求。 "六五环境日"即将到来之际,多地陆续"晒"出环保成绩单。成绩单显示,2024年以来,全国生态环境质 量持续改善,改善指标好于"十四五"规划目标时序进度要求。北京、江苏、广东、海南等地生态环境质 量持续向好。 北京是较早"晒"出环保成绩单的城市。北京市生态环境局日前发布的《2024年北京市生态环境状况公 报》显示,2024年,北京市大气环境中细颗粒物(PM2.5)年均浓度连续四年达到国家空气质量二级标 准,优良天数创有监测以来新纪录,水生态环境质量持续向好,土壤生态环境质量保持良好,生态环境 状况稳中有升,万元地区生产总值二氧化碳排放持续保持全国省级最优水平。 监测数据显示,2024年,北京市大气环境中细颗粒物(PM2.5)年均浓度为30.5微克/立方米、连续四年 达到国家空气质量二级标准,二氧化硫(SO2)、二氧化氮(NO2)和可吸入颗粒物(PM10)多年稳 定达标。与2013年相比,2024年四项主要污染物年均浓度均下降一半以上,其中PM2.5年均浓度下降了 65.9%。2024年的优良天数为290天,为历年最多。重污染 ...