The bar chart illustrates the relative percentage disturbution of air pollution sources in China, India and Vietnam.
Overall, thre is a different redistribution of sources in these countries. The most widespread cause of air pollution is transport in China, whereas the most stable among three countries is agriculture.
The most striking change is that in India transport affects the air almost 4 times less than in China (14% and 60% respectively), while in Vietnam (40%) transportation pollutes the air approximateely 2 times more that in India (14%). Moreover, these cause is the most powerful in both counties (China and Vietnam), and the percentage difference between them is 20%.
The next essential change that agriculture always be in the same range. To add, this distribution always be in top-3 or top-2. For example, in Vietnam this figure is 22%, which is 1 percent more than in India (23%) and 2 percent less than in China (20%).
