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PM2.5(又称细颗粒物,指环境空气中空气动力学当量直径小于等于2.5微米的颗粒物)爆表的雾霾天气,减少出门是自我保护最有效的办法。根据国际权威期刊《美国流行病学》2012年发表的,由北大前沿交叉学科研究院环境与健康中心研究员黄薇等人在西安市所做的PM2.5相关的流行病学研究,在排除了年龄、性别、时间效应和气象因素等影响因素之后,当PM2.5浓度每立方米增加
PM2.5 (also known as fine particulate matter, aerodynamic equivalent diameter of air in the ambient air is less than or equal to 2.5 microns in diameter particles) burst table smog weather, to reduce the door to go out is the most effective way to protect themselves. According to the international authoritative journal “American Epidemiology” published in 2012, by Peking University Frontier Interdisciplinary Research Institute of Environmental and Health Center researcher Huang Wei and others made in Xi’an PM2.5-related epidemiological studies, excluding Age, gender, time effect and meteorological factors and other influencing factors, when the concentration of PM2.5 per cubic meter increased