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