??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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