Sarajevo was the city with the most polluted air in the world, with a pollution index of 199, according to data from the AirVisual website.

Dhaka in Bangladesh follows it with a pollution index of 184, Mumbai in India with a 181 pollution index and Shenyang in China with an index of 175.

Skopje was fifth with a pollution index of 173, and Zagreb was seventh with a pollution index of 166.

Air with the specified values is classified as unhealthy.