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

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