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????????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???????????????????????????????????????????????????????????????????????????????(??) ??????:???