???????????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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