Pamene kuwonongeka kwa mpweya kukuchulukirachulukira ku South Korea, kufunikira kwa njira zamakono zowunikira gasi kukukulirakulira. Kuchuluka kwa zinthu (PM), nitrogen dioxide (NO2), ndi carbon dioxide (CO2) zikubweretsa nkhawa zokhudzana ndi thanzi la anthu komanso chitetezo cha chilengedwe. Kuti muwonjezere...