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

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