??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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