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