“雾霾”一词现在已经成为国内家喻户晓的关键词,过去一年时间几乎所有省份都未能躲过雾霾的肆虐。有报告显示,中国大约500个城市几乎都曾笼罩在雾霾天中,其中只有不到1%的城市达到世界卫生组织推荐的空气质量标准。据汕头本地媒体报道,这座一直引以为豪的蓝天碧海、风和日丽、空气清新的“南海之滨”也好多天沦陷于雾霾之中。这种不寻常天气引发了大众的热议,也让不少学生关注起汕头的空气来,在课余时间经常向老师问询有关雾霾的知识。这让我意识到雾 The term smog has now become a household name in the country, with almost all the provinces failing to escape the haze of the haze in the past year. Some reports show that almost 500 cities in China have been shrouded in smog days, of which less than 1% of cities meet the World Health Organization’s recommended air quality standards. According to local media reports in Shantou, this blue sky has been proud of the blue sea, the wind and the fresh, fresh air, “the South China Sea” or so many days fall in the haze. This unusual weather aroused public heated debate, but also for many students concerned about the air from Shantou to, in their spare time often ask the teacher about the knowledge of smog. This made me aware of the fog