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The role of burden of disease assessment in tracking progress towards achieving WHO global air quality guidelines
Journal
International journal of public health
Volume
65
Number
8
Pages / Article-Number
1455-1465
Mesh terms
Air Pollutants, standards; Air Pollution, analysis; Cost of Illness; Environmental Monitoring, standards; Guidelines as Topic; Humans; Particulate Matter, economics; World Health Organization
Abstract
Objectives; : More than 90% of the global population live in areas exceeding the PM2.5 air quality guidelines (AQGs). We provide an overview of the ambient PM2.5-related burden of disease (BoD) studies along with scenario analysis in the framework of the WHO AQG update on the estimated reduction in the BoD if AQGs were achieved globally.; Methods; : We reviewed the literature for large-scale studies for the BoD attributed to ambient PM2.5. Moreover, we used the latest WHO statistics to calculate the BoD at current levels and the scenarios of aligning with interim targets and AQG levels.; Results; : The most recent BoD studies (2010 onwards) share a similar methodology, but there are differences in the input data which affect the estimates for attributable deaths (2.9-8.9 million deaths annually). Moreover, we found that if AQGs were achieved, the estimated BoD would be reduced by up to 50% in total deaths worldwide.; Conclusions; : Understanding the BoD across countries, especially in those that do not align with the AQGs, is essential in order to inform actions to reduce air pollution globally.
