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