What is the air quality in Swansea?

Swansea, United Kingdom has an annual US AQI of 50 (Reasonable) and average PM2.5 of 10.1 µg/m³, ranking #781 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Swansea?

August is typically the cleanest month (AQI 38) and March the most polluted (AQI 60).

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
781	Swansea, United Kingdom	Europe	AQI 50	PM2.5 10.1 µg/m³