????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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