What is the air quality in Sibiu?

Sibiu, Romania has an annual US AQI of 63 (Polluted) and average PM2.5 of 16.1 µg/m³, ranking #2572 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Sibiu?

May is typically the cleanest month (AQI 51) and January the most polluted (AQI 81).

Where does Sibiu's air quality data come from?

PM2.5: 1998–2026 (monitors 2009–2010, 2012, 2014–2018, 2020–2021, 2025, satellite 1998–2015, 2018–2020, 2022–2024, model 2025–2026). Measured by government monitoring stations. Full sources are on the methodology page.

Sibiu, Romania — Air Quality & Clean City Guide 2026

Sibiu Air Quality Data

Global rank	City	Continent	AQI	PM2.5
2572	Sibiu, Romania	Europe	AQI 63	PM2.5 16.1 µg/m³