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