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

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