What is the air quality in Saipan?

Saipan, Northern Mariana Islands has an annual US AQI of 18 (Excellent) and average PM2.5 of 3 µg/m³, ranking #12 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Saipan?

June is typically the cleanest month (AQI 14) and January the most polluted (AQI 21).

Where does Saipan'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.

Saipan, Northern Mariana Islands — Air Quality & Clean City Guide 2026

Saipan Air Quality Data

Global rank	City	Continent	AQI	PM2.5
12	Saipan, Northern Mariana Islands	Oceania	AQI 18	PM2.5 3 µg/m³