Data for last 1 month:

Data LAFmax Time LAFmax LAFmin Time LAFmin Lnight Lday Levening LAF10 LAF90 LАden Report
2019-11-13 0.0 dB 00:00:00 0.0 dB 00:00:00 68.1 dB 0.0 dB 0.0 dB 71.0 dB 62.2 dB 0.0 dB
2019-11-12 102.7 dB 10:22:21 30.1 dB 01:34:32 34.5 dB 74.2 dB 71.4 dB 74.8 dB 67.4 dB 0.0 dB
2019-11-11 97.6 dB 11:29:47 28.8 dB 02:51:59 35.1 dB 74.8 dB 71.8 dB 75.6 dB 66.5 dB 0.0 dB
2019-11-10 103.9 dB 18:04:26 45.5 dB 00:10:00 35.7 dB 74.8 dB 72.3 dB 76.0 dB 65.3 dB 0.0 dB
2019-11-09 94.3 dB 14:28:28 47.3 dB 02:12:06 34.1 dB 73.9 dB 71.0 dB 74.5 dB 65.7 dB 0.0 dB
2019-11-08 88.9 dB 16:47:18 48.4 dB 13:32:26 34.4 dB 74.0 dB 71.8 dB 74.8 dB 69.7 dB 0.0 dB
2019-11-07 0.0 dB 00:00:00 0.0 dB 00:00:00 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB
2019-11-06 0.0 dB 00:00:00 0.0 dB 00:00:00 70.6 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB
2019-11-05 0.0 dB 00:00:00 0.0 dB 00:00:00 70.5 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB
2019-11-04 0.0 dB 00:00:00 0.0 dB 00:00:00 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB
2019-11-03 0.0 dB 00:00:00 0.0 dB 00:00:00 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB
2019-11-02 0.0 dB 00:00:00 0.0 dB 00:00:00 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB
2019-11-01 0.0 dB 00:00:00 0.0 dB 00:00:00 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB
2019-10-31 0.0 dB 00:00:00 0.0 dB 00:00:00 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB
2019-10-30 0.0 dB 00:00:00 0.0 dB 00:00:00 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB
2019-10-29 0.0 dB 00:00:00 0.0 dB 00:00:00 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB
2019-10-28 0.0 dB 00:00:00 0.0 dB 00:00:00 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB
2019-10-27 0.0 dB 00:00:00 0.0 dB 00:00:00 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB
2019-10-26 0.0 dB 00:00:00 0.0 dB 00:00:00 70.2 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB
2019-10-25 0.0 dB 00:00:00 0.0 dB 00:00:00 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB
2019-10-24 0.0 dB 00:00:00 0.0 dB 00:00:00 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB
2019-10-23 0.0 dB 00:00:00 0.0 dB 00:00:00 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB
2019-10-22 0.0 dB 00:00:00 0.0 dB 00:00:00 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB
2019-10-21 0.0 dB 00:00:00 0.0 dB 00:00:00 70.8 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB
2019-10-20 0.0 dB 00:00:00 0.0 dB 00:00:00 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB
2019-10-19 0.0 dB 00:00:00 0.0 dB 00:00:00 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB
2019-10-18 0.0 dB 00:00:00 0.0 dB 00:00:00 71.1 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB
2019-10-17 0.0 dB 00:00:00 0.0 dB 00:00:00 70.7 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB
2019-10-16 0.0 dB 00:00:00 0.0 dB 00:00:00 71.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB
2019-10-15 0.0 dB 00:00:00 0.0 dB 00:00:00 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB
2019-10-14 0.0 dB 00:00:00 0.0 dB 00:00:00 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB
2019-10-13 0.0 dB 00:00:00 0.0 dB 00:00:00 70.5 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB


To automated count unit ID 3086: Route I-8, Kalotina - Sofia


Daily indicators:



  L24 = N/A 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 = 68.1 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 = N/A 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 = N/A 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 = N/A 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 = 71.0 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 = 62.2 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.