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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