??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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