What is the air quality in Västerås?

Västerås, Sweden has an annual US AQI of 37 (Reasonable) and average PM2.5 of 6.3 µg/m³, ranking #183 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Västerås?

October is typically the cleanest month (AQI 31) and April the most polluted (AQI 43).

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
183	Västerås, Sweden	Europe	AQI 37	PM2.5 6.3 µg/m³