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