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