????????????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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