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