2013年1月23日,北京雾霾浓重。据统计,1月份北京仅有5个晴天。今年以来,全国大部分地区多次出现雾霾天气,造成空气严重或重度污染,雾霾天气导致道路管制、企业停工、机场关闭、港口停运,并使得人们的工作生活受到了很大影响。雾霾长期吸入会导致死亡,在多地的医 January 23, 2013, Beijing haze thick. According to statistics, there are only 5 sunny days in Beijing in January. Since the beginning of this year, fog haze has occurred many times in most parts of the country, resulting in serious or severe air pollution. The hazy weather has resulted in road control, business suspension, airport shutdown and port shutdown, which have greatly affected people’s work and life. Long-term inhalation of smog can result in death and medical treatment in many places