A general view of the surroundings of the city of Sarajevo, Bosnia and Herzegovina, 01 January 2023. With an AQI (Air Quality Index) of 174, which is labeled as 'unhealthy', the Bosinan capital is among the most polluted cities in the world, ranking in 5th place on 01 January 2023. (Photo by Fehim Demir/EPA/EFE)
