What is the air quality in Saint-Louis?

Saint-Louis, Senegal has an annual US AQI of 96 (Polluted) and average PM2.5 of 32.4 µg/m³, ranking #4491 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Saint-Louis?

November is typically the cleanest month (AQI 78) and February the most polluted (AQI 116).

PM2.5: 1998–2024 (satellite). From satellite data, because no government monitor covers the city. Full sources are on the methodology page.

Global rank	City	Continent	AQI	PM2.5
4491	Saint-Louis, Senegal	Africa & Middle East	AQI 96	PM2.5 32.4 µg/m³