??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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