What is the air quality in Nukuʻalofa?

Nukuʻalofa, Tonga has an annual US AQI of 21 (Excellent) and average PM2.5 of 3.7 µg/m³, ranking #21 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Nukuʻalofa?

April is typically the cleanest month (AQI 18) and January the most polluted (AQI 28).

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
21	Nukuʻalofa, Tonga	Oceania	AQI 21	PM2.5 3.7 µg/m³