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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