The graph below shows the pollution levels in London between 1600 and 2000. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The provided diagram

descibes

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describes

the amount of pollution emitted in London during the given time period.

Overall

, it compares the volume of two pollutants found in the air and records their development over the years.

Firstly

, looking at the type of gas found in the atmosphere, we can differentiate between sulphur dioxide and smoke. Between 1550 and 1600 the

levels

of sulphur

as well as

smoke

have

Unnecessary verb

apply

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started out at the same amount,

however

throughout the years there have been significant changes and fluctuations in the numbers of their presence in the

athmosphere

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atmosphere

. Between 1600 and 1900, a steady rise in the

levels

of

concetration

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concentration

regarding both pollutants can be observed. There was an

overall

upward trend and around the year 1890, both

reach

Wrong verb form

reached

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their highest recorded

levels

. Afterwards, between 1890 and 1900, they can be seen to experience a sudden drop and continue to fluctuate, eventually reaching their minimum

levels

somewhere around the year 2000. In conclusion, the number of pollutants recorded in London in the given time period has had a steady rise for most of the time, before settling at the lowest recorded

levels

.