??
??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?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????(???) ????:????
?????????
?????1???????????:??????????????????