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