What is the air quality in Joensuu?

Joensuu, Finland has an annual US AQI of 37 (Reasonable) and average PM2.5 of 6 µg/m³, ranking #173 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Joensuu?

October is typically the cleanest month (AQI 31) and May the most polluted (AQI 42).

Where does Joensuu's air quality data come from?

PM2.5: 1998–2025 (monitors 2020–2021, 2024–2025, satellite 1998–2020, 2022–2024). Measured by government monitoring stations. Full sources are on the methodology page.

Joensuu, Finland — Air Quality & Clean City Guide 2026

Joensuu Air Quality Data

Global rank	City	Continent	AQI	PM2.5
173	Joensuu, Finland	Europe	AQI 37	PM2.5 6 µg/m³