????????????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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