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