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