??
??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?????????????????????????????????????????????????????????????????????????????????(??) ?????:???
?????????
?????1?????:????????????????????????