?????????????????????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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