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