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