??????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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