The chart shows air pollution levels among four countries in 2012. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The bar chart compares data on the levels of air pollution in China, America, Japan and Australia in 2012.

Overall

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, China is the biggest producer of polluted air in the three different categories.

On the contrary

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, Australia has produced the least amount of PPM, except in electricity generation since Japan has the lowest level in that category. As far as the polluted atmosphere goes, Japan

as well as

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China created most of theirs

as a consequence

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of the industry.

Furthermore

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, the Japanese state had a level of 40 PPM in the said category, but the Chinese state topped that up reaching 80 Parts Per Million in that year.

On the other hand

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, Australia had the smallest quantity of Parts Per Million in the pollution caused by the industry, which was estimated to be at 19 Parts Per Million in 2012. Generally speaking, America was the second most important polluter. Indeed, the transport category was the highest cause of atmosphere contamination but, that country managed to have a smaller quantity of PPM in the industry contamination than the Japanese one.