What is the air quality in Thessaloniki?

Thessaloniki, Greece has an annual US AQI of 69 (Polluted) and average PM2.5 of 15.5 µg/m³, ranking #3088 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Thessaloniki?

October is typically the cleanest month (AQI 60) and July the most polluted (AQI 81).

Where does Thessaloniki's air quality data come from?

PM2.5: 1998–2026 (monitors 2017–2026, satellite 1998–2019; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Thessaloniki, Greece — Air Quality & Clean City Guide 2026

Thessaloniki Air Quality Data

Global rank	City	Continent	AQI	PM2.5
3088	Thessaloniki, Greece	Europe	AQI 69	PM2.5 15.5 µg/m³