World Health Organization
Reporting on the world’s biggest killers: a journalist’s guide to covering noncommunicable diseases
Guide
08 Oct 2025
 
			
		WHO monitors the exposure levels and health impacts (i.e., deaths, DALYs) of air pollution at the national, regional, and global level from ambient (outdoor) and household air pollution. Such estimates are used for official reporting like the world health statistics, and the Sustainable Development Goals.