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