This evaluation of airborne particle pollution sources in Bolivia show that :

• Local air pollution in La Paz is mainly due to road traffic but additional sources such as waste burning may have non-negligeable impacts.
• Waste burning contributes only 2 to 5% of total PM10 but contains more than 50% of the PAHs content which are carcinogenic components.

– https://acp.copernicus.org/articles/23/10325/2023/