The information about levels of air pollution from three different aspects such as electricity generation, transport, and industry in four countries namely Chine, USA, Japan, and Australia for the year 2021 is depicted in the provided bar graphs.
Looking from an overall perspective, it is readily apparent that Chine had highest air pollution while Australia had lowest.
As is given in the data, Chine air pollution rate from industry was higher around 80 ppm while other two prospective, such as transport and electricity produced 70 and 60 ppm, which was upward than that other country. On the other hand, America pollution level increased in transport and other two had around 30 ppm respectively.
According to given graph, Japan industry was main reason to produce air pollution, while from transportation and electricity, the pollution ratio was a mare, only under 30 ppm. In contrast, Australia country pollution ppm was decline compared to other cuntries, had only under 20 ppm significantly.