E-mail:spj@amr.gov.cn金秋时节,天公不作美,连续五天的浓雾笼罩北京,严重时地面的能见度只有几百米,法国文化年的“法兰西巡逻兵”飞行表演被迫取消。专家说,这浓雾实际上是严重的空气污染,其中含有大量的可吸入颗粒物,它们可以通过呼吸道进入人们的肺部,引起呼吸系统疾病。这 E-mail: spj@amr.gov.cn In autumn, the gods are not beautiful and the fog has been covering Beijing for five consecutive days. In the worst, the visibility of the ground is only a few hundred meters. The “French Patrol” air show in the French Cultural Year was forced to fly cancel. Experts say the fog is actually a serious air pollution, which contains a large amount of inhalable particles, which can enter the lungs of the human body through the respiratory tract and cause respiratory diseases. This