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

????:???200????:??????200??500

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