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

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