自1月10日以来,浓雾笼罩京城已有两日。北京多地PM2.5浓度“爆表”,部分地区实时监测PM2.5数值达700微克/立方米以上。预计未来三天,密云、大兴、门头沟、房山地区空气质量指数将达到极重污染。大雾与污染15日前不会有明显好转。
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The market for dust masks and air purifiers is booming in Beijing because the capital has been shrouded for several days in thick fog and haze.
近几日北京持续被浓重雾霾笼罩,市场上防尘口罩和空气净化器的销量剧增。
雾 近两日,部分地区的空气质量指数 相关阅读
空气质量 air quality
防尘口罩 anti-dust masks
可入肺颗粒物 PM2.5
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