What is the air quality in Chur?

Chur, Switzerland has an annual US AQI of 60 (Reasonable) and average PM2.5 of 12.1 µg/m³, ranking #2024 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Chur?

September is typically the cleanest month (AQI 50) and January the most polluted (AQI 67).

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
2024	Chur, Switzerland	Europe	AQI 60	PM2.5 12.1 µg/m³