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