What is the air quality in Basseterre?

Basseterre, Saint Kitts and Nevis has an annual US AQI of 41 (Reasonable) and average PM2.5 of 7.7 µg/m³, ranking #303 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Basseterre?

December is typically the cleanest month (AQI 33) and July the most polluted (AQI 53).

Where does Basseterre's air quality data come from?

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

Basseterre, Saint Kitts and Nevis — Air Quality & Clean City Guide 2026

Basseterre Air Quality Data

Global rank	City	Continent	AQI	PM2.5
303	Basseterre, Saint Kitts and Nevis	North America	AQI 41	PM2.5 7.7 µg/m³