Summary | C. China province sees best air in 4 yrs-
China.org.cnYou are here: China > Nation > C.Currently it is
below the annual target of 66 mg per cubic meter.Seven cities
in Henan were among the major targets for air pollution
efforts.Follow China.org.cn on Twitter and Facebook to join the
conversation.ChinaNews App Download Print Related Go to Forum ...
China.org.cnYou are here: China > Nation > C.Currently it is
below the annual target of 66 mg per cubic meter.Seven cities
in Henan were among the major targets for air pollution
efforts.Follow China.org.cn on Twitter and Facebook to join the
conversation.ChinaNews App Download Print Related Go to Forum ...
china.org.cn | 19 December 2017