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