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

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