What is the air quality in Port Moresby?

Port Moresby, Papua New Guinea has an annual US AQI of 38 (Reasonable) and average PM2.5 of 7.1 µg/m³, ranking #217 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Port Moresby?

June is typically the cleanest month (AQI 27) and December the most polluted (AQI 50).

Where does Port Moresby'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.

Port Moresby, Papua New Guinea — Air Quality & Clean City Guide 2026

Port Moresby Air Quality Data

Global rank	City	Continent	AQI	PM2.5
217	Port Moresby, Papua New Guinea	Oceania	AQI 38	PM2.5 7.1 µg/m³