What is the air quality in Stockholm?

Stockholm, Sweden has an annual US AQI of 38 (Reasonable) and average PM2.5 of 6.5 µg/m³, ranking #205 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Stockholm?

December is typically the cleanest month (AQI 33) and April the most polluted (AQI 45).

Where does Stockholm's air quality data come from?

PM2.5: 1998–2026 (monitors 2004–2026, satellite 1998–2003, 2005; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Stockholm, Sweden — Air Quality & Clean City Guide 2026

Stockholm Air Quality Data

Global rank	City	Continent	AQI	PM2.5
205	Stockholm, Sweden	Europe	AQI 38	PM2.5 6.5 µg/m³