What is the air quality in Alofi?

Alofi, Niue has an annual US AQI of 17 (Excellent) and average PM2.5 of 2.6 µg/m³, ranking #8 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Alofi?

April is typically the cleanest month (AQI 14) and January the most polluted (AQI 19).

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
8	Alofi, Niue	Oceania	AQI 17	PM2.5 2.6 µg/m³