?????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????????????????????????????????????????????????????????????????????????????????????????????????(??) ???:??? “???????”_????

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

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