1?????:???????????

??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??????????????????????????????????????????????????????????????????????????????(??) ????:????