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

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