??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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