Noise Maps
EU Directive 2002/49/EC, transposed into Irish law by Statutory Instrument number 140 of 2006 (the ‘Environmental Noise Regulations 2006'), calls for the development of strategic noise maps and action plans for major roads, railways, airports and cities.
What is a Strategic Noise Map?
National Strategic Noise Maps
Strategic Noise Mapping 2017 Lden Web Map
Lden is the calculated day-evening-night noise level and represents the noise indicator for overall annoyance. It is calculated over all day-evening-night periods for one year. The day period is from 07:00 to 19:00, the evening period is from 19:00 to 23:00 and the night period is from 23:00 to 07:00. The Lden indicator contains extra weighting for the evening and night periods as noise is generally more annoying during these periods. The map below indicates the Lden decibel (dB) bands report for Strategic Noise Mapping 2017.
Strategic Noise Mapping 2017 Lnight Web Map
Lnight is the night time noise indicator and is used in the assessment of sleep disturbance. It is the average noise level calculated over all night periods, 23:00 to 07:00, for one year. The map below indicates the Lnight decibel (dB) bands report for Strategic Noise Mapping 2017.
Strategic Noise Mapping 2012 Lden Web Map
Lden is the calculated day-evening-night noise level and represents the noise indicator for overall annoyance. It is calculated over all day-evening-night periods for one year. The day period is from 07:00 to 19:00, the evening period is from 19:00 to 23:00 and the night period is from 23:00 to 07:00. The Lden indicator contains extra weighting for the evening and night periods as noise is generally more annoying during these periods. The map below indicates the Lden decibel (dB) bands reported for Strategic Noise Mapping 2012.
Strategic Noise Mapping 2012 Lnight Web Map
Lnight is the night time noise indicator and is used in the assessment of sleep disturbance. It is the average noise level calculated over all night periods, 23:00 to 07:00, for one year. The map below indicates the Lnight decibel (dB) bands reported for Strategic Noise Mapping 2012.