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