??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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