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

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????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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