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

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

3?????????

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

5?????spa

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