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