What is the air quality in Hagåtña?

Hagåtña, Guam has an annual US AQI of 20 (Excellent) and average PM2.5 of 3.4 µg/m³, ranking #15 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Hagåtña?

November is typically the cleanest month (AQI 18) and February the most polluted (AQI 22).

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
15	Hagåtña, Guam	Oceania	AQI 20	PM2.5 3.4 µg/m³