??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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