The supplied graph illustrates the number of individuals in Europe who were influenced by four types of noise by day and by night in cities and rural areas in 2007.
Overall, it can be clearly seen that traffic was the major cause of noise pollution in both charts. Conversely, industry appears to be the least disturbing sound.
First and foremost, it is obvious that traffic in the day impacted around 70 million people while traffic at night just belong 50 million individuals. Furthermore, train pollution for both period, accounting for approximately 10 million inhabitant. Aircraft noise affected only the small proportion of the population, nearly 3 million during the day and about only 1 million at night. Industrial noise was the least significant pollution source which was affecting people in Europe.
A similarity can be seen in rural areas, although the figures are likely to be lower. About 35 millions of people were impacted in the day time by traffic sounds. Train noise impacted approximately 10 million individuals in the day and slightly fewer at night. Aircraft and industry remained minimum effect on popularity.
