1?????:???????????

??2??21?? (? ??)???1????????????????,??168???,???????????????????????????????????????????????????;?????????????????????????????????????????????

????????21???1??,??339????????????(PM2.5)??53.1??/??,??4.7%;?????(PM10)??80???/??,??8.1%????????339??78.0%,????0.5???

1??,?????“2+36”??PM2.5??61.0??????/????,??18.3%;????68.5%,?7.4????;??2.9%,??6.8?????????1??????,?????PM2.5??28.3???/???????????,??23.5%?

1??????,168??:PM2.5??????????????20?????????????????????????????????????????????????????????????????????????????????;PM2.5???????????20?????????????????????????????????????????????????????????????????????????????(??) ???:??