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