What is the air quality in Avarua?

Avarua, Cook Islands has an annual US AQI of 16 (Excellent) and average PM2.5 of 2.2 µg/m³, ranking #3 of 5856 cities. Main pollutant: O3.

What is the cleanest month in Avarua?

April is typically the cleanest month (AQI 12) and August the most polluted (AQI 18).

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
3	Avarua, Cook Islands	Oceania	AQI 16	PM2.5 2.2 µg/m³