??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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