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