????:1?700?????????:?????

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