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