Air Pollution in Saint Helena, Ascension and Tris
Saint Helena, Ascension and Tris faces significant air pollution challenges. 0% of states exceed the WHO guideline for clean air. This is putting 8 thousand across 3 states at risk.
The average PM2.5 over 2023 was 1.8µg/m³. That's 0.4 times the WHO guideline for clean air of 5µg/m³.
This is equivalent of everybody, including children, smoking about 30 cigarettes in a year.