1???????????:?????

????:??????:????vx

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