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

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