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