???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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