What is the air quality in Tallinn?

Tallinn, Estonia has an annual US AQI of 41 (Reasonable) and average PM2.5 of 7.1 µg/m³, ranking #288 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Tallinn?

October is typically the cleanest month (AQI 35) and April the most polluted (AQI 47).

Where does Tallinn's air quality data come from?

PM2.5: 1998–2026 (monitors 2007–2026, satellite 1998–2007; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Tallinn, Estonia — Air Quality & Clean City Guide 2026

Tallinn Air Quality Data

Global rank	City	Continent	AQI	PM2.5
288	Tallinn, Estonia	Europe	AQI 41	PM2.5 7.1 µg/m³