1???????????:?????
??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??????????????????????????????????????????????????????????????????????????????????????????????(????) ?????:???