What is the air quality in Hämeenlinna?

Hämeenlinna, Finland has an annual US AQI of 39 (Reasonable) and average PM2.5 of 6.6 µg/m³, ranking #223 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Hämeenlinna?

December is typically the cleanest month (AQI 32) and May the most polluted (AQI 45).

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
223	Hämeenlinna, Finland	Europe	AQI 39	PM2.5 6.6 µg/m³