???????????????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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