The charts illustrate the average number of air pollution levels by different causes among 4 countries such as (China, America, Japan, Australia) during in 2021.
As an overall trend, China was accounted for the largest of air pollution for instances (Transport, Electricity generation, Industry) followed by America; also, Japan while Australia had the lowest figures.
In 2021, China was the largest number of pollution in every cause for example Industry was the highest number of any causes approximately at 80 PPM; In addition Transport around 70 PPM, finally electricity generation 60 PPM. In America transport was the second & number of air pollution close to 55 PPM. While Japan had the highest number on Industry estimated at 45 PPM.
The last one, Australia had remained number of 3 causes such as Electricity generation and Transport; also, Industry around 19. That is demonstrated Australia had the lowest figures in 4 types of countries.
