What is the air quality in Bissau?

Bissau, Guinea-Bissau has an annual US AQI of 81 (Polluted) and average PM2.5 of 25.1 µg/m³, ranking #3858 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Bissau?

August is typically the cleanest month (AQI 47) and February the most polluted (AQI 108).

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
3858	Bissau, Guinea-Bissau	Africa & Middle East	AQI 81	PM2.5 25.1 µg/m³