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????:1????????:?????q?
2?9???699??????
3?2021??????????
4???????????
5??????
?????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????????????????????????????????????????????????????????????????????????????????????????????????(??) ???:???