Band 5+: The charts illustrate the number of people who were affected by four types of noise pollution in day and night in cities and rural areas in 2007.

The bar charts show groups of people that affected by four diffrent typs of noise pollution in cities and rural areas both in night and day.

According to the city’s chart, it is clear that traffic pollution is the biggest problemlem by more than 50 millions at day, however, at the night is less tahn day but still is one of the worst problem by less than 50 milions at night. The rate of train pollution is approximatly same at the night or day but, is the secend noise pollutiontion. The pollution of aircraft at day is more than at night which it is around 5 millions at day and approximtley I millions at night. Moreover, people affected by industry polloution just at the day.

In rural area, oppsite of the city, people do not have the problem by industry pollution. Thus traffic is still is a big problem by more than 30 millions and more than 20 millions at day and night. The train pollution at day is more than at night which is around 8 millions at day and 6 million at night. Also, the aircraft polloution that is affected by people at day is around 3 millions and 2 millions at night.