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