1???????????:?????

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??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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