??
??????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?????:????????????????????????