??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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