???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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