Jerin biranen da suka fi gurɓata ta hanyar ƙwayoyin cuta

Wannan jerin sun ƙunshi manyan birane 500 ta hanyar PM2.5 na shekara-shekara kamar yadda Hukumar Lafiya ta Duniya ta rubuta wanda ya shafi lokacin daga 2010 zuwa 2022. Sakamakon Janairu 2024 na baYanayi WHO ya ƙunshi sakamakon sa ido kan gurɓataccen iska (a waje) daga kusan garuruwa da birane 5,390 a cikin ƙasashe 63. Ingancin iska a cikin bayanan yana wakiltar matsakaicin matsakaicin shekara-shekara na kwayoyin halitta (PM10 da PM2.5, watau barbashi karami fiye da 10 ko 2.5 micrometers, bi da bi).   

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