????????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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