??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?????????????????????????????????????????????????????????????????????????(????) ??:???????
?????20????????????????
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??2?????????0.4%
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???????????300??????(?)
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4?1?!??????????????????!