????:1???????:?????vx

2??????????

3??????????

4?24?????????

5???????????????

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