对气溶酸度带来的健康影响的审查:对空气污染控制的发生和影响
Xiwen Song1, Di Wu1, Yi Su1
1Department of Environmental Science and Engineering, Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention, National Observations and Research Station for Wetland Ecosystems of the Yangtze Estuary, Fudan University, Shanghai 200433, China.
The Science of the total environment
|October 16, 2024
概括
大气中的酸性气溶通过恶化肺功能和炎症来损害人类健康. 尽管有排放控制措施,但微粒酸性仍然存在,这可能会抵消减少污染的好处,并需要政策考虑.
科学领域:
- 环境科学 环境科学
- 毒理学 毒理学 毒理学
- 大气化学 大气化学
背景情况:
- 酸度 (pH) 对大气过程和生态系统健康至关重要.
- 大气中的酸性气溶会导致严重的空气污染和健康问题,正如1952年伦敦大烟雾所示.
- 气溶酸度对细颗粒 (PM2.5) 毒性的影响及其对污染控制的反应仍然不完全理解.
研究的目的:
- 概述可吸入酸性气溶的毒理作用和机制.
- 分析气溶酸度对空气污染控制措施的反应.
- 突出持续的气溶酸度对人类健康和政策的影响.
主要方法:
- 文献综述和毒理学数据的综合.
- 对气溶酸度的历史观察数据的分析.
- 模拟模型,以评估减排对气溶性能的影响.
主要成果:
- 气溶酸度调节有毒成分并与氧化剂协同作用,诱导氧化应激和炎症.
- 吸入的酸性气溶可以增加呼吸道的反应能力,并损害肺功能.
- 尽管减少了SO2和NOx,但PM2.5仍然保持了酸性,这表明持续存在的健康风险.
结论:
- 气溶酸性可以抵消减排的健康益处.
- 持续的气溶酸性对人类健康造成持续的不利影响.
- 未来的空气污染控制政策必须考虑与酸度相关的健康影响.
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