??????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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