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????????????????????????????????????????????????????????????????????????????????????????????(??) ??????:??????????????????????