Noise exposure of the population. Number of people exposed to various Lden noise bands based on areas covered by strategic noise maps in 2017, EEA-33 [Lden: noise level based on energy equivalent noise level (Leq) over a whole day with a penalty of 10 dB(A) for night time noise (23.00–7.00) and an additional penalty of 5 dB(A) for evening noise (i.e. 19.00–23.00)]. Graph generated from previous data with permission.27