??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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