What is the air quality in Stara Zagora?

Stara Zagora, Bulgaria has an annual US AQI of 77 (Polluted) and average PM2.5 of 22.8 µg/m³, ranking #3647 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Stara Zagora?

May is typically the cleanest month (AQI 70) and January the most polluted (AQI 90).

PM2.5: 1998–2025 (monitors 2009–2025, satellite 1998–2008). Measured by government monitoring stations. Full sources are on the methodology page.

Global rank	City	Continent	AQI	PM2.5
3647	Stara Zagora, Bulgaria	Europe	AQI 77	PM2.5 22.8 µg/m³