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