??
??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?????:????????????????????????