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

??

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