?????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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??:???????????,??????????,??????????????