What is the air quality in Trier?

Trier, Germany has an annual US AQI of 57 (Reasonable) and average PM2.5 of 12.5 µg/m³, ranking #1601 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Trier?

August is typically the cleanest month (AQI 51) and March the most polluted (AQI 66).

PM2.5: 1998–2024 (satellite). From satellite data, because no government monitor covers the city. Full sources are on the methodology page.

Global rank	City	Continent	AQI	PM2.5
1601	Trier, Germany	Europe	AQI 57	PM2.5 12.5 µg/m³