Pollution levels in London, micrograms per cubic metre between 1600 and 2000.

Essay topics:

Pollution levels in London, micrograms per cubic metre between 1600 and 2000.

The diagram illustrates the pollution levels change in micrograms per cubic metre over the 40 years from 1600 to 2000 in London with comparison between Sulphur dioxide and smoke.
Overall, it can be seen that the Sulphur dioxide was dominant than smoke at the beginning of period. Until 1900 both trends showed an increase in their rate, after that they decreased to the same point in the last year.
With regards to Sulphur dioxide level in pollution, it began around 25 micrograms per cubic metre in 1600 and reached its peak value about 900 micrograms per cubic metre in 1850. In addition, there was two plateau phases in 1700s, between 1750 and 1800 which was accounted for 700 micrograms per cubic metre.
Although the change behavior of smoke pollution level was nearly same with Sulphur dioxide, its figure indicates a dramatic growth from 1600 to 1900, approximately 300 micrograms per cubic metre. Before reaching the zero level, the pollution level related to smoke was fluctuated in 1900s.

Votes
Average: 7.8 (1 vote)

Comments

Grammar and spelling errors:
Line 2, column 74, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
... Sulphur dioxide was dominant than smoke at the beginning of period. Until 1900 b...
^^
Line 4, column 281, Rule ID: IN_1990s[1]
Message: The article is probably missing here: 'in the 1900s'.
Suggestion: in the 1900s
...n level related to smoke was fluctuated in 1900s.
^^^^^^^^
Line 4, column 291, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
...lated to smoke was fluctuated in 1900s.
^^^^^

Transition Words or Phrases used:
so, in addition

Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments

Performance on Part of Speech:
To be verbs : 6.0 7.0 86% => OK
Auxiliary verbs: 1.0 1.00243902439 100% => OK
Conjunction : 3.0 6.8 44% => More conjunction wanted.
Relative clauses : 3.0 3.15609756098 95% => OK
Pronoun: 8.0 5.60731707317 143% => OK
Preposition: 31.0 33.7804878049 92% => OK
Nominalization: 5.0 3.97073170732 126% => OK

Performance on vocabulary words:
No of characters: 839.0 965.302439024 87% => OK
No of words: 167.0 196.424390244 85% => OK
Chars per words: 5.02395209581 4.92477711251 102% => OK
Fourth root words length: 3.59483629437 3.73543355544 96% => OK
Word Length SD: 2.39498501941 2.65546596893 90% => OK
Unique words: 101.0 106.607317073 95% => OK
Unique words percentage: 0.604790419162 0.547539520022 110% => OK
syllable_count: 240.3 283.868780488 85% => OK
avg_syllables_per_word: 1.4 1.45097560976 96% => OK

A sentence (or a clause, phrase) starts by:
Pronoun: 3.0 1.53170731707 196% => OK
Interrogative: 0.0 0.114634146341 0% => OK
Article: 2.0 4.33902439024 46% => OK
Subordination: 4.0 1.07073170732 374% => Less adverbial clause wanted.
Conjunction: 0.0 0.482926829268 0% => OK
Preposition: 6.0 3.36585365854 178% => OK

Performance on sentences:
How many sentences: 7.0 8.94146341463 78% => OK
Sentence length: 23.0 22.4926829268 102% => OK
Sentence length SD: 38.2238305837 43.030603864 89% => OK
Chars per sentence: 119.857142857 112.824112599 106% => OK
Words per sentence: 23.8571428571 22.9334400587 104% => OK
Discourse Markers: 2.14285714286 5.23603664747 41% => More transition words/phrases wanted.
Paragraphs: 4.0 3.83414634146 104% => OK
Language errors: 3.0 1.69756097561 177% => OK
Sentences with positive sentiment : 4.0 3.70975609756 108% => OK
Sentences with negative sentiment : 0.0 1.13902439024 0% => More negative sentences wanted.
Sentences with neutral sentiment: 3.0 4.09268292683 73% => OK
What are sentences with positive/Negative/neutral sentiment?

Coherence and Cohesion:
Essay topic to essay body coherence: 0.481966820924 0.215688989381 223% => OK
Sentence topic coherence: 0.21373436989 0.103423049105 207% => Sentence topic similarity is high.
Sentence topic coherence SD: 0.18420161904 0.0843802449381 218% => The coherence between sentences is low.
Paragraph topic coherence: 0.303312318989 0.15604864568 194% => OK
Paragraph topic coherence SD: 0.200355665903 0.0819641961636 244% => More connections among paragraphs wanted.

Essay readability:
automated_readability_index: 14.1 13.2329268293 107% => OK
flesch_reading_ease: 65.05 61.2550243902 106% => OK
smog_index: 3.1 6.51609756098 48% => Smog_index is low.
flesch_kincaid_grade: 9.9 10.3012195122 96% => OK
coleman_liau_index: 12.13 11.4140731707 106% => OK
dale_chall_readability_score: 8.18 8.06136585366 101% => OK
difficult_words: 36.0 40.7170731707 88% => OK
linsear_write_formula: 13.0 11.4329268293 114% => OK
gunning_fog: 11.2 10.9970731707 102% => OK
text_standard: 13.0 11.0658536585 117% => OK
What are above readability scores?

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Rates: 78.6516853933 out of 100
Scores by essay e-grader: 7.0 Out of 9
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Note: the e-grader does NOT examine the meaning of words and ideas. VIP users will receive further evaluations by advanced module of e-grader and human graders.