??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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