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

2?????

3???qt???????

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