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