????:1????????:?????

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