What is the air quality in Trenčín?

Trenčín, Slovakia has an annual US AQI of 71 (Polluted) and average PM2.5 of 19.8 µg/m³, ranking #3316 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Trenčín?

June is typically the cleanest month (AQI 57) and January the most polluted (AQI 92).

Where does Trenčín's air quality data come from?

PM2.5: 1998–2024 (monitors 2010–2012, satellite 1998–2010, 2012–2024). Measured by government monitoring stations. Full sources are on the methodology page.

Trenčín, Slovakia — Air Quality & Clean City Guide 2026

Trenčín Air Quality Data

Global rank	City	Continent	AQI	PM2.5
3316	Trenčín, Slovakia	Europe	AQI 71	PM2.5 19.8 µg/m³