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