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

??

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