Data for last 7 days:

Data LAFmax Time LAFmax LAFmin Time LAFmin Lnight Lday Levening LAF10 LAF90 LАden Report
2018-07-1876.3 dB11:05:5338.4 dB02:01:1348.3 dB57.9 dB59.5 dB0.0 dB0.0 dB57.8 dB
2018-07-1799.6 dB17:00:0539.5 dB04:57:5850.3 dB63.4 dB57.5 dB0.0 dB0.0 dB62.3 dB
2018-07-1679.8 dB06:33:1238.6 dB02:11:4149.8 dB57.4 dB59.3 dB0.0 dB0.0 dB58.2 dB
2018-07-1582.0 dB15:08:4040.3 dB01:34:5847.8 dB55.9 dB57.1 dB0.0 dB0.0 dB56.5 dB
2018-07-1483.8 dB16:35:1438.7 dB02:38:3347.6 dB57.4 dB57.5 dB0.0 dB0.0 dB57.3 dB
2018-07-1383.6 dB15:42:3933.4 dB00:54:3949.8 dB60.8 dB59.9 dB0.0 dB0.0 dB60.2 dB
2018-07-1280.2 dB10:12:2131.9 dB01:27:3047.2 dB54.1 dB57.9 dB0.0 dB0.0 dB55.3 dB

Burgas Municipality, Territorial Directorate Osvobojdenie

Name of the location: Burgas Municipality, Territorial Directorate Osvobojdenie

Address of the location: Burgas, Complex "Slaveikov"

The beginning of the noise monitoring: November 2010г.

Noise categorization: Location with predominantly impact of noise from road traffic, as well as accidental overflying airplanes, departing from the main routes (Warning: changed situation in the summer of 2013. - with regard to the new defined ATC routes for landing / takeoff / test flights).

Excerpt from the Official Strategic noise map for the region – with mapped loop "Road Traffic - conflict values for L24 > 65 dB(A), as well as loop for „Airline loop actual before Summer 2013”. – for LAmax > 85 dB(A):


Daily indicators:



  L24 = 68.4 dBL2424-hour noise level, which is an indicator of the noise associated with discomfort (defined according to the ”Law for protection against environmental noise”)

  Lnight = 59.0 dBLAnightnight noise level is the A-weighted equivalent noise level averaged over a long period of time, relative to all the night periods in a year, as specified in standard ISO 1996-2:1987

Defined period "night period: (according to the Regulation No 6 of 26 June 2006 for" performance of noise in the environment "): 23- 07 h


  Lday = 56.8 dBInformationLAdaydaily noise level is the A-weighted equivalent noise level averaged over a long period of time, relative to all the day periods during the year, as specified in the standard BDS ISO 1996-2: 1987;

Defined period "day period" (according to Regulation No 6 of 26 June 2006 on "indicators of environmental noise"): 07-19 h.


  Lev. = N/A dBInformationLAeveningevening level of noise is the A-weighted equivalent noise level averaged over a long period of time, relative to all the evening periods in a year, as specified in standard ISO 1996-2: 1987;

Defined period "evening period: (according to the Regulation No 6 of 26 June 2006 for" performance of noise in the environment "): 19 – 23 h.


  LAmax = 79.3 dBInformationLAmaxmaximum A-weighted sound level in decibels [dB (A)].
This is the maximum value of the current A-weighted noise level for a given time interval.


  LAmin = 45.4 dBInformationLAminminimum A-weighted sound level in decibels [dB (A)].
This is the minimum value of the current A-weighted noise level for a given time interval.


  LAF10 = N/A dBLAF10The level of noise along a curve and which has exceeded 10% of the measurement time (T).
The parameter is used as a measure of the noise from the main measured (released) source.


  LAF90 = N/A dBLAF90The noise level in a curve which is exceeded for 90% of the time of measurement (T).
The parameter is used as an indicator of the ambient (background) noise.