What is the air quality in San Marino?

San Marino, San Marino has an annual US AQI of 64 (Polluted) and average PM2.5 of 14.5 µg/m³, ranking #2577 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in San Marino?

May is typically the cleanest month (AQI 55) and January the most polluted (AQI 72).

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
2577	San Marino, San Marino	Europe	AQI 64	PM2.5 14.5 µg/m³