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