What is the air quality in Freetown?

Freetown, Sierra Leone has an annual US AQI of 67 (Polluted) and average PM2.5 of 18.5 µg/m³, ranking #3000 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Freetown?

August is typically the cleanest month (AQI 42) and January the most polluted (AQI 98).

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
3000	Freetown, Sierra Leone	Africa & Middle East	AQI 67	PM2.5 18.5 µg/m³