What is the air quality in Härnösand?

Härnösand, Sweden has an annual US AQI of 34 (Reasonable) and average PM2.5 of 5.5 µg/m³, ranking #107 of 5856 cities. Main pollutant: O3.

What is the cleanest month in Härnösand?

October is typically the cleanest month (AQI 30) and April the most polluted (AQI 39).

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
107	Härnösand, Sweden	Europe	AQI 34	PM2.5 5.5 µg/m³