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