1???????????:?????

????:????:??????

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