????:1????????????:100??????

2???????????

3????????

4??????????????

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