Smog and haze could cause a variety of respiratory diseases
Recently, the haze in North China has been beyond index, it’s so heavy that makes a new record of this year. Haze shrouded area was expanded to 530,000 square kilometers, which leads to the beyond index rate of PM2.5 in Beijing, Tianjin, Hebei and areas in Guanzhong plain. Some landmarks buildings “disappeared” in the haze, you cannot even see each other if you are in […]







