??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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