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??21??????1???,??339??(PM2.5)??53.1????/???????????????,????4.7%;?(PM10)???80??/????,??8.1%???339??78.0%,??0.5???????

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1??,168??:PM2.5?20????????????????????????????????????????????????????????????????????????????;PM2.5??20??????????????????????????????????????????????????????????????????????????????????????????????????????????????????(??) ?????????:??? ??�??????wx??�????

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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??????????????????????????????????????????????????????????????????????????????????????????????????????????????????(??) ?????????:???