The Health and Climate Change Department of the Ministry of Health in Iran has disclosed that 14% of the country's natural deaths are attributed to air pollution.

Department head, Abbas Shahsavani, also said Tehran holds the 19th position globally in terms of suspended particle concentration, placing it among the worst capitals worldwide.

“The average concentration of suspended particles in Iran was revealed to be 7.6 times higher than the World Health Organization guidelines and more than three times the national standard,” he added.