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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