Air Quality Improvement in Western Bulgaria: What Do the Latest Data Show?

19.08.2026 | Bulgaria

Sensors report cleaner air in Sofia, Kyustendil, and Dragoman. See the current situation regarding fine particulate matter and the impact of wildfires from neighboring countries.

Снимка от Mickey Mystique, Wikimedia Commons, под лиценз CC BY-SA 4.0

Improving air quality in the country

Recent data from monitoring sensors show a positive trend in air pollution levels in a number of cities in Western Bulgaria.

In Kyustendil, the values are now below dangerous levels, and in Kostinbrod, there is a steady improvement.

Current situation by city:

To ensure constant transparency, a mobile automatic station has been installed near the municipal building in Dragoman for additional monitoring.

Where did the smoke come from?

In recent days, the region was affected by smoke carried by strong winds. The main sources of the smoke were active forest fires in the territories of Serbia and Albania.