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