????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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