1???????????:?????

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