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

??

??:???????????,??????????,??????????????