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

??

??:???????????,??????????,??????????????