????:1?????????:98??????

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