What is the air quality in Saint-Pierre?

Saint-Pierre, Saint Pierre and Miquelon has an annual US AQI of 30 (Excellent) and average PM2.5 of 5.2 µg/m³, ranking #43 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Saint-Pierre?

October is typically the cleanest month (AQI 26) and July the most polluted (AQI 34).

Where does Saint-Pierre'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.

Saint-Pierre, Saint Pierre and Miquelon — Air Quality & Clean City Guide 2026

Saint-Pierre Air Quality Data

Global rank	City	Continent	AQI	PM2.5
43	Saint-Pierre, Saint Pierre and Miquelon	North America	AQI 30	PM2.5 5.2 µg/m³