据报载,截至2013年1月13日零时,在全国74个监测城市中,有33个城市的部分监测站点检测数据超过300,即空气质量达到了严重污染。京津地区、河北中南部等地有能见度不足1000米的雾,部分地区能见度不足200米。雾霾来自哪里?中国科学院大气物理研究所研究员王庚辰表示,此次雾霾天气最根本的原因是排放增加,再加上不利的气象 It has been reported that as of January 13, 2013, at 0:00 on January 13, 2013, some of the 74 monitoring cities in the country have monitoring data of over 300 stations in some 33 cities, indicating that the air quality has seriously polluted. Beijing-Tianjin region, central and southern Hebei and other places visibility less than 1000 meters of fog, visibility in some areas less than 200 meters. Where is the fog come from? Wang Gengchen, a researcher at the Institute of Atmospheric Physics of Chinese Academy of Sciences, said that the most fundamental reason for the hazy weather is the increase in emissions, coupled with unfavorable weather