What is the air quality in Bucharest?

Bucharest, Romania has an annual US AQI of 71 (Polluted) and average PM2.5 of 19.8 µg/m³, ranking #3310 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Bucharest?

May is typically the cleanest month (AQI 57) and January the most polluted (AQI 89).

Where does Bucharest's air quality data come from?

PM2.5: 1998–2026 (monitors 2009–2011, 2015–2026, satellite 1998–2009, 2011–2016, 2019; 2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Bucharest, Romania — Air Quality & Clean City Guide 2026

Bucharest Air Quality Data

Global rank	City	Continent	AQI	PM2.5
3310	Bucharest, Romania	Europe	AQI 71	PM2.5 19.8 µg/m³