In connection with the fire that occurred on July 21 in the region of the city of Kostinbrod, experts from the Regional Inspectorate for Environmental Protection – Sofia made a report from the nearest measuring station (Automatic measuring point “Nadezhda“) for the quality of atmospheric air, located in the western part of the capital, as well as in all other points within the scope of the city of Sofia. The average daily norm for the indicator Fine dust particles (FP10) is 50 µg/m3, and the measured values for 22.07.2025 - 47.63 µg/m3, for 21.07.2025 - 26.5 µg/m3 and for 20.07.2025 – 20.4 µg/m3. The same do not exceed the norm for fine particulate matter, according to Regulation No. 12 of July 15, 2010 on norms for sulfur dioxide, nitrogen dioxide, fine particulate matter, lead, benzene, carbon monoxide and ozone in ambient air (Regulation No. 12).
This was announced by the Ministry of Environment and Waters.
During the survey conducted for the period from 01:00 on July 19 to 24:00 On July 22, no exceedances of the average hourly and average daily standards, as well as of the thresholds for informing the population of indicators PM10, PM2.5, ozone, nitrogen oxides, nitrogen dioxide, sulfur dioxide, carbon monoxide and benzene, according to Regulation No. 12, were detected in all automatic measuring points (AIS “Druzhba“, AIS “Mladost“, AIS “Pavlovo“, AIS “Hipodruma“, AIS “Kopitoto“ and AIS “Nadezhda“).
Citizens can obtain information about the air quality of the city. Sofia through the “System for informing the population about the quality of atmospheric air“, with public access on the website of the Executive Agency for the Environment in the section “Daily bulletin on the quality of air“.