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