...细颗粒物(Fine Particulate Matter, PM2.5)是大气污染的主要成分，流行病学调查提示PM2.5浓度增高可引起血压的升高甚至导致脑卒中等严重心脑血管事件发生。
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明尼苏达大学的三位学者表示，导致空气污染的两项重要指标，细颗粒物（fine particulate matter，火遍中国的PM2.5，指大气中直径小于或等于2.5微米的细颗粒物）和地面臭氧，在美国每年造成超过10万人死亡。
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Heavy fog is conducive to the formation of fine particulate matter, and is not conducive to the horizontal and vertical diffusion of particles.
大雾天气空气湿度大,有利于细颗粒物形成,不利于颗粒物的水平和垂直扩散。
参考来源 - 开封市近地层大气颗粒物垂直分布特征研究Since PM2.5 accounted for more than half of the proportion of PM10 so that fine particulate matter pollution and its health hazards should be concerned.
PM2.5在PM10的比例已超半，应重视细颗粒物的空气污染和健康危害。
参考来源 - 上海市宝山区空气中PM·2,447,543篇论文数据，部分数据来源于NoteExpress
Fine particulate matter is linked to respiratory ailments, heart disease, stroke and premature death.
微细颗粒物跟呼吸系统疾病、心脏病、中风和早逝有关。
Long-term exposure to fine particulate matter, residential proximity to major roads and measures of brain structure.
长期暴露于细颗粒物，住宅靠近主要道路和脑结构的措施。
Environmental air quality standards were revised. The air quality index for monitoring fine particulate matter (PM2 s) was added.
修订环境空气质量标准，增加细颗粒物PM 2.5等监测指标。
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