??
???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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?????1???????????:??????????????????