Saint-Benoît reports an annual PM2.5 of 5.1 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Compared across Reunion
Saint-Benoît: 5.1 µg/m³. Typical range in Reunion: 6.2–7.2 µg/m³. High anchor: Le Tampon, 8.0 µg/m³.
13 cities tracked