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

??

??:???????????,??????????,??????????????