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2025-02-22 15:19:04??:????:???

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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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