??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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