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