Air Pollution and Mortality in South Africa’s Priority Areas: Evidence for Urgent Action
Air Pollution and Mortality in South Africa’s Priority Areas: Evidence for Urgent Action
Ambient air pollution remains a major public health threat in South Africa, particularly in designated air quality Priority Areas: the Highveld, Vaal Triangle Airshed, and Waterberg–Bojanala. This study provides robust epidemiological evidence linking short-term exposure to key pollutants, especially nitrogen dioxide (NO₂) and fine particulate matter (PM₂.₅) to increased mortality.
Analysis of over 1 million deaths (2011–2018) shows that air pollution significantly elevates risks of pneumonia, lower respiratory infections, and non-communicable diseases. Vulnerability is not uniform: children and older adults are disproportionately affected depending on location.
Despite existing air quality management frameworks, pollutant levels frequently exceed World Health Organization (WHO) 2021 guidelines, highlighting gaps in implementation and enforcement. Immediate, targeted interventions are needed to reduce exposure, strengthen health system preparedness, and protect vulnerable populations.
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