??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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