印度的PM2.5:时空趋势,来源贡献和健康影响
1School of Environmental Science and Engineering, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, India, 721302. santra127samrat@kgpian.iitkgp.ac.in.
Environmental monitoring and assessment
|November 28, 2025
概括
细颗粒物 (PM2.5) 污染在印度是一个主要的健康问题,印度-河平原经历了最高水平. 冬季和季风后的季节显示污染的高峰,需要整合的减缓策略来清洁空气.
科学领域:
- 环境科学 环境科学
- 公共卫生 公共卫生
- 大气化学 大气化学
背景情况:
- 细颗粒物 (PM2.5) 对印度的空气质量和公共健康产生重大影响.
- 诸如城市化,工业化和天气模式等因素导致PM2.5水平.
研究的目的:
- 从1980年到2020年,分析印度PM2.5的空间,季节和时间变化.
- 确定关键的排放源,了解健康影响.
主要方法:
- 使用了长期排放清单和大气数据.
- 对PM2.5度进行了空间,季节和时间分析.
主要成果:
- 印度-河流平原显示总是高PM2.5,而南部/东北部地区更干净.
- 冬季和季风后的季节表现出因逆转和生物质燃烧而导致的污染峰值.
- 四十年来,PM2.5水平一直在增加,对健康和经济产生了重大影响.
结论:
- 综合减排战略,包括排放控制和政策改进至关重要.
- 需要有针对性的干预措施来减少PM2.5的影响并保护公共健康.
- 区域空气质量管理对于印度的可持续空气质量至关重要.
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