??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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