Серьезность экологических проблем, связанных с загрязнением атмосферы, показывают следующие статистические данные: в 151 городе России предельно допустимая концентрация загрязнений воздуха превышена в 5 раз, в 87 городах ПДК превышен в 10 раз.
The seriousness of the environmental problems associated with atmospheric pollution, showed the following statistics: in 151 in Russia maximum allowable concentration air pollution exceeded 5 times in 87 cities MPC is exceeded in 10 times.
The seriousness of the environmental problems associated with air pollution, shows the following statistics: in 151 cities of Russia the maximum allowable concentration of air pollution exceeded 5 times in 87 cities MPC exceeded 10 times.
the seriousness of environmental problems related to atmospheric pollution, show the following statistics: in 151 russian city air pollution exceeded the maximum permitted concentration of 5 times.in 87 cities mac exceeded 10 times.