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