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根据环境保护部公布的消息,今年除夕至初一,受不利气象条件及春节烟花爆竹燃放的影响,我国东北、京津冀及周边地区、四川盆地、甘肃、广西等地部分城市出现空气重污染。以北京为例,从2月18日19时开始,PM2.5浓度在2小时内由34微克/立方米上升到172微克/立方米,空气质量迅速由优恶化为重度污染,并在凌晨1时达到最高浓度413微克/立方米,空气质量转为严重污染。但与2014年同期相比,重度及以上污染城市数量明显减少,空气污染程度有所减轻。这些数据,一方面充分说明公众参与对于防范应对环境突发事件的极端重要性;另一方面,在肯定公众参与
According to the announcement of the Ministry of Environmental Protection, this year’s New Year’s Eve to the first day, affected by unfavorable weather conditions and the release of fireworks and fireworks of the Spring Festival, air pollution in northeastern China, Beijing-Tianjin-Hebei and surrounding areas, and parts of cities such as Sichuan Basin, Gansu and Guangxi . Taking Beijing as an example, starting at 1900 hours on February 18, the PM2.5 concentration increased from 34 μg / m3 to 172 μg / m3 within 2 hours, and the air quality rapidly changed from excellent to severe. At 1:00 a.m. When reached the highest concentration of 413 micrograms / cubic meter, the air quality turned serious pollution. However, compared with the same period of 2014, the number of cities with severe pollution and above decreased significantly, and the degree of air pollution was lessened. These data, on the one hand, fully explain the extreme importance of public participation in preventing emergencies; on the other hand, in affirming the public participation