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

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