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