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

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