????:1???????:??90???????

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