National statistical institute

Environmental and Energy Accounts Department

Mariya Zlatkova

Chief expert

2 Panayot Volov St., 1038 Sofia

[email protected]

+359 2 9857 182

No fax

Annual data on the number of noise registration points and measured noise levels by districts and cities/towns, and by noise levels by ranges.

Not applicable.

Statistical survey covers:

• all noise monitoring points in the country, determined according to a methodology approved by the Minister of Health.

The survey covers all points of noise registration in the country.

Noise registration point.

The survey covers all points for noise registration in the country.

Total for the country; District.

2020 - 2024

Not applicable.

Number; Decibels.

Calendar year.

Statistics Act

Stakeholders can find the registered noise levels data on the NSI website and in the Infostat information system.

Regulation (EC) No 223/2009 on European statistics provides the necessity to establish common principles and guidelines ensuring the confidentiality of data used for the production of European statistics and access to such confidential data, taking due account of technical developments and the requirements of users in a democratic society.

The Statistics Act (Art. 25, para. 1) stipulates that individual data obtained and collected in statistical surveys are statistical secret and may be used only for statistical purposes.

According to Art. 25 of the Statistics Act, individual data may not disclose or provide. The provision of individual data is possible only according to Art. 26 of the Statistics Act.

The publication date of the statistical information are specified in the Calendar presenting the results of the statistical surveys of the NSI.

The calendar is available on the NSI website here.

Registrered noise levels statistics data are published on the NSI website in the "Environment" section according to the provisions of the Statistics Act and the principles of the European Statistical Code of Practice, respecting professional independence and aiming at objectivity and transparency, whereby all users are equal.

Yearly.

Regular press release on the NSI website.

Statistical Reference Book;

Statistical Yearbook;

Electronic publication "Environment".

Registrered noise levels data are available on the NSI website at:

• "Environment" section
• Information System INFOSTAT

Not applicable.

Information service on request, according to the Rules for Dissemination of Statistical Products and Services of the NSI.

Statistical survey conducted on the basis of administrative data from the National Center for Public Health and analyses, collected on the basis of the Methodology for determining the number, location and distribution of noise monitoring points, as well as the periodicity of measurements and/or calculations of noise levels, approved by the Minister of Health (Letter No. 99-00-76/22.02.2007) in accordance with the methods specified in Regulation No. 6 of 2006 of the Ministry of Health and the Ministry of Environment and Water on environmental noise indicators, taking into account the degree of discomfort during different parts of the day, the limit values ​​of environmental noise indicators, the methods for assessing the values ​​of noise indicators and the harmful impact of noise on the health of the population.

Not available.

The data are provided by an administrative source. The competent authority for quality monitoring is the Ministry of Health. The validation of the statistical data is in compliance with the quality criteria according to the Statistics Act.

Not applicable.

The main users of statistical information from the survey are state and municipal organizations, scientific institutes, associations, companies and citizens.

The NSI conducts a regular statistical survey "User Satisfaction with the Provided Statistical Information Products and Services", which covers all statistical areas. The survey aims to assess users’ satisfaction with the statistical information provided by the NSI and to define recommendations for the future development of the statistical system in accordance with user needs.

The data are presented at the national level, by districts and cities/towns, and by ranges.

The accuracy of the measured and/or calculated data for the registered noise levels is carried out by accredited laboratories using a methodology approved by the Minister of Health.

Not applicable.

Not applicable.

The data are published 12 months after the reporting year.

The data are published according to the Calendar presenting the results of the statistical surveys of the NSI.

The data are comparable over time.

Not applicable.

The data are comparable over time.

Not available.

Not applicable.

The costs (budget) for statistical surveys are disclosed in the National Statistical Program, published on the NSI website.

According to the principles of the European Statistics Code of Practice and the requirements of the internal rules/integrated management system, statistical processes are regularly monitored and revised, if necessary. Revisions are carried out according to standard, established and transparent procedures. Regular analyses aim to improve data sources, statistical processes and products.

The data is revised upon change in regulatory requirements, the methodology, or when necessary.

National Center of Public Health and Analysis.

Yearly.

The data is provided via an electronic form from the National Center of Public Health and Analysis.

Data validation is part of the activities to ensure the quality of statistical information. The validation of the statistical data is in compliance with the quality criteria according to the Statistics Act.

Data processing includes the actions by which statistical data are formed based on administrative data.

Not applicable.