Cities with the cleanest air quality in Bulgaria

Air pollution is one of the most documented environmental health risks of our time. Fine particles (PM2.5), nitrogen dioxide (NO2), and ground-level ozone affect respiratory health, cardiovascular function, and sleep quality - often without visible signs. Choosing where you live, work, or spend extended time matters more than most people realise.

ClearSpot aggregates air quality data from official open government monitoring networks and the Copernicus Atmosphere Monitoring Service (CAMS) into a normalised score for every scored city. The ranking below reflects monthly averages at default sensitivity thresholds. Cities at the top have consistently lower modelled air pressure - not just on one good day.

The 50 cleanest cities for air quality in Bulgaria in May 2026 are listed below, scored from 0% (maximum pressure) to 100% (no documented pressure within default thresholds). Click any city to explore the full environmental breakdown and compare with nearby places.

All countries Global city ranking

Country	City	ClearSpot score	air %	View on map
BG	Aheloy	100%	0%	View on map
BG	Ahtopol	100%	0%	View on map
BG	Alfatar	100%	0%	View on map
BG	Anton	100%	0%	View on map
BG	Apriltsi	100%	0%	View on map
BG	Ardino	100%	0%	View on map
BG	Asenovgrad	100%	0%	View on map
BG	Asparuhovo	100%	0%	View on map
BG	Balchik	100%	0%	View on map
BG	Balgarevo	100%	0%	View on map
BG	Banite	100%	0%	View on map
BG	Bansko	100%	0%	View on map
BG	Bata	100%	0%	View on map
BG	Batak	100%	0%	View on map
BG	Belene	100%	0%	View on map
BG	Belitsa	100%	0%	View on map
BG	Belogradchik	100%	0%	View on map
BG	Belovo	100%	0%	View on map
BG	Berkovitsa	100%	0%	View on map
BG	Blagoevgrad	100%	0%	View on map
BG	Borovan	100%	0%	View on map
BG	Borovo	100%	0%	View on map
BG	Botevgrad	100%	0%	View on map
BG	Boychinovtsi	100%	0%	View on map
BG	Bratsigovo	100%	0%	View on map
BG	Bregovo	100%	0%	View on map
BG	Breznik	100%	0%	View on map
BG	Brezovo	100%	0%	View on map
BG	Brusartsi	100%	0%	View on map
BG	Buhovo	100%	0%	View on map
BG	Burgas	100%	0%	View on map
BG	Byala	100%	0%	View on map
BG	Byala Cherkva	100%	0%	View on map
BG	Byala Slatina	100%	0%	View on map
BG	Chavdar	100%	0%	View on map
BG	Chelopech	100%	0%	View on map
BG	Chepelare	100%	0%	View on map
BG	Chepintsi	100%	0%	View on map
BG	Chernomorets	100%	0%	View on map
BG	Chiprovtsi	100%	0%	View on map
BG	Dalgopol	100%	0%	View on map
BG	Debelets	100%	0%	View on map
BG	Devin	100%	0%	View on map
BG	Dimitrovgrad	100%	0%	View on map
BG	Dimovo	100%	0%	View on map
BG	Dobrich	100%	0%	View on map
BG	Dolna Banya	100%	0%	View on map
BG	Dolni Dabnik	100%	0%	View on map
BG	Dospat	100%	0%	View on map
BG	Dragoman	100%	0%	View on map

How is air quality measured on ClearSpot?

ClearSpot sources air quality data primarily from the Open-Meteo Air Quality API and WAQI (World Air Quality Index), both of which aggregate readings from national government monitoring stations. For each city, we compute a monthly average across PM2.5, PM10, NO2, ozone, and carbon monoxide, then normalise against WHO 2021 guidelines to produce a 0-100% pressure score. A score of 100% means no measured pollutant exceeded WHO thresholds during the reference period. A score of 0% means persistent exceedance across multiple pollutants.

Data is refreshed monthly. For a real-time reading at any precise GPS coordinate, use the ClearSpot live map.