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