Summary | Beijing began PM 2.5 monitoring in 2013 amid mounting
public complaints frequent bouts of smog. "It suggests that, on
average, heavy air pollution occurred every six or seven days,"
Zhang said. The tiny PM 2.5 can go deep into the lungs, thus
posing a greater health threat than PM 10.
public complaints frequent bouts of smog. "It suggests that, on
average, heavy air pollution occurred every six or seven days,"
Zhang said. The tiny PM 2.5 can go deep into the lungs, thus
posing a greater health threat than PM 10.
en.ce.cn | 08 December 2014