??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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