??
????????????????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?????:????????????????????????