Question

The chart below displays data about the pollution level in India’s capital
Delhi across the years 2009-2015. Write a paragraph analyzing the given data.

Answer 1

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Answer 2

SO2 content was highest at the start of the period and decreased to about zero the period till the end in Delhi.

Explanation:

• The graph shows the pollution level in Delhi for the period 2009 to 2015.
• The content of PM was highest at 261 in 2010 and lowest i.e. 60 during the start of the period.
• NO2 content in Delhi was almost the same throughout the period at around 50.
• SO2 content was highest at the start of the period and decreased to about zero the period till the end in Delhi.
• PM content in Delhi has gradually decreased after 2010.