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