According to tests by the Ministry of Environment, the level of fine dust in the sky of Seoul has reached 1000 micrograms per cubic meter by noon yesterday. That is 17 times higher than the normal level and is the highest level ever recorded.

• 据韩国环境部的测试，昨天午前汉城天空中微细灰尘的含有量已超过平时程度的17倍，达到每立方公尺1000微克，是历史上的最高记录。