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

2??????

3????????

4?????300????

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