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