??
??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????????????????????????????????????????????????????????????????????????????(??) ??????????????????????:????
?????????
?????1???????????:??????????????????