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

2???????

3?92??????

4???????24??

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