懸浮粒子

懸浮顆粒或稱懸浮微粒(particulate matter (PM))、大氣懸浮微粒(atmospheric particulate matter)、顆粒(particulates),泛指懸浮在空氣中的固體顆粒或液滴,顆粒微小甚至肉眼難以辨識但仍有尺度的差異。 --來自 維基百科


  • Confirm
  • .

2015/12/08 | TNL香港編輯

Schools Closed, Cars Forced Off Roads as Beijing Issues Its First Air Pollution Red Alert

In the latest smog in Beijing, 23 out of 35 environmental monitor stations recorded a sixth-level pollution lasting for five days, which was two days longer than what the red alert standard regulates. The government did not issue the red alert in time and raised controversy.