??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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