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