降低大气细颗粒物健康危害的综合措施专家共识

Consensus on reducing health impacts of ambient fine particulate matter

  • 摘要: 近年来,我国在大气细颗粒物(PM2.5)污染治理方面已取得了显著成效,但由于我国PM2.5的高基线污染水平和公众对其危害的认知不足,其带来的健康危害仍将长期存在。针对我国在PM2.5治理的现状、健康危害和防护收益的进展及其挑战,编写组依据最新的研究证据,从宏观和个体两个层面提出降低PM2.5相关健康危害的措施并形成专家共识。宏观层面:(1)加强大气污染监测网络建设,推进信息化管理,完善健康风险的预警和应急响应机制,提高公共防护能力;(2)适时更新我国的大气质量标准,逐步推动地方性标准和颗粒物有害组分相关标准的制定,以实现更精准的污染控制;(3)持续推进协同减排,提升治理效率;(4)可持续建设绿地系统,优化生态屏障功能,从源头减少PM2.5的扩散和沉降。个体层面:(1)优先选择公交车、步行、骑行等低碳出行方式;(2)佩戴口罩以减少PM2.5的吸入;(3)使用空气净化设备以改善空气质量;(4)调整膳食模式,保证多样且均衡的营养素摄入;(5)使用清洁燃料代替固体燃料;(6)科学规划出行路线规避PM2.5的高峰路段;(7)在PM2.5浓度较低时,进行适度的户外或室内的体力活动;(8)提升环境健康素养,增强自我防护能力。本共识旨在为相关部门提供科学的政策指导和为公众提供针对性的防护措施,以更有效地应对PM2.5污染带来的健康危害。

     

    Abstract: In recent years, China has achieved significant progress in controlling fine particulate matter with median aerodynamic diameter ≤2.5 μm (PM2.5) pollution. However, due to the high baseline levels of PM2.5 and insufficient public awareness of its negative health impacts, the associated health risks will persist for an extended period. The task force reviewed the current status, health impacts, protective benefits, and challenges of PM2.5 management in China. Based on the latest research evidence, this consensus proposed measures to mitigate PM2.5-related health risks at both macro and micro levels. From a macro perspective: (1) Strengthen the development of air pollution monitoring networks and advance information management, and improve health risk early warning and emergency response mechanisms to enhance public protection capabilities; (2) Timely update national air quality standards and progressively establish regional standards and standards related to the harmful chemical species in PM2.5 to achieve more fine-tuned pollution control; (3) Continue to promote collaborative emission reduction efforts and enhance pollution control efficiency; (4) Sustainably develop green space systems to optimize their ecological barrier functions, reducing PM2.5 dispersion and deposition at the source. From a micro perspective: (1) Prioritize low-carbon transportation options, such as buses, walking, or cycling; (2) Wear masks to reduce PM2.5 inhalation; (3) Use air purification devices to improve indoor air quality; (4) Adjust dietary patterns to ensure diverse and balanced nutrient intake; (5) Replace solid fuels with clean energy sources; (6) Strategically plan travel routes to avoid areas with high PM2.5 concentrations; (7) Engage in appropriate physical activity indoors or outdoors when PM2.5 levels are low; (8) Enhance environmental health literacy to strengthen self-protection capabilities. This consensus aims to provide scientific policy guidance to relevant authorities and targeted protective measures for the public to more effectively address the health risks posed by PM2.5 pollution.

     

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