??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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