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