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