the chart below shows the average daily minimum and maximum levels of two air pollutants in four big cities in 2000.

The bar chart represents the minimum and maximum volume of SO2 and N2O being disposed in four major urban centres in the year 2000.

Overall, Mexico city was the most polluted city with the highest level of both air pollutants.

To begin with, an almost equal maximum volume of both S02 and N20 of approximately 200 micrograms per m3 was observed in Mexico city, which was nearly twice the minimum amount of about 100 micrograms per m3. Meanwhile, Los Angeles was highly contaminated with N2O, with the minimum and maximum N2O amount of 39 and 104 micrograms per m3 respectively, whereas the max SO2 volume was only 10 micrograms.

The second most polluted city was Beijing where the level of SO2 ranged from 25 to 130 micrograms per m3, of NO2 was between 14 and 54 micrograms.

Turning to Calcuta's air quality, a minimum of 47 micrograms per m3 and a maximum of 59 micrograms of SO2 and from 30 to 52 micrograms of the other pollutant was recorded on a daily basis.

Votes
Average: 6.1 (1 vote)
Essays by the user:

Transition Words or Phrases used:
second, so, whereas, while, to begin with

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

Performance on Part of Speech:
To be verbs : 9.0 7.0 129% => OK
Auxiliary verbs: 0.0 1.00243902439 0% => OK
Conjunction : 8.0 6.8 118% => OK
Relative clauses : 2.0 3.15609756098 63% => OK
Pronoun: 0.0 5.60731707317 0% => OK
Preposition: 28.0 33.7804878049 83% => OK
Nominalization: 0.0 3.97073170732 0% => More nominalizations (nouns with a suffix like: tion ment ence ance) wanted.

Performance on vocabulary words:
No of characters: 807.0 965.302439024 84% => OK
No of words: 173.0 196.424390244 88% => More content wanted.
Chars per words: 4.66473988439 4.92477711251 95% => OK
Fourth root words length: 3.62669911048 3.73543355544 97% => OK
Word Length SD: 2.64285143436 2.65546596893 100% => OK
Unique words: 94.0 106.607317073 88% => More unique words wanted.
Unique words percentage: 0.543352601156 0.547539520022 99% => OK
syllable_count: 238.5 283.868780488 84% => OK
avg_syllables_per_word: 1.4 1.45097560976 96% => OK

A sentence (or a clause, phrase) starts by:
Pronoun: 0.0 1.53170731707 0% => OK
Interrogative: 0.0 0.114634146341 0% => OK
Article: 4.0 4.33902439024 92% => OK
Subordination: 0.0 1.07073170732 0% => More adverbial clause wanted.
Conjunction: 0.0 0.482926829268 0% => OK
Preposition: 3.0 3.36585365854 89% => OK

Performance on sentences:
How many sentences: 6.0 8.94146341463 67% => Need more sentences. Double check the format of sentences, make sure there is a space between two sentences, or have enough periods. And also check the lengths of sentences, maybe they are too long.
Sentence length: 28.0 22.4926829268 124% => The Avg. Sentence Length is relatively long.
Sentence length SD: 39.6218233918 43.030603864 92% => OK
Chars per sentence: 134.5 112.824112599 119% => OK
Words per sentence: 28.8333333333 22.9334400587 126% => OK
Discourse Markers: 6.83333333333 5.23603664747 131% => OK
Paragraphs: 5.0 3.83414634146 130% => Less paragraphs wanted.
Language errors: 0.0 1.69756097561 0% => OK
Sentences with positive sentiment : 1.0 3.70975609756 27% => More positive sentences wanted.
Sentences with negative sentiment : 2.0 1.13902439024 176% => OK
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: 0.194340980063 0.215688989381 90% => OK
Sentence topic coherence: 0.119823829212 0.103423049105 116% => OK
Sentence topic coherence SD: 0.0650150902684 0.0843802449381 77% => OK
Paragraph topic coherence: 0.13620673515 0.15604864568 87% => OK
Paragraph topic coherence SD: 0.0590582880241 0.0819641961636 72% => OK

Essay readability:
automated_readability_index: 14.9 13.2329268293 113% => OK
flesch_reading_ease: 59.98 61.2550243902 98% => OK
smog_index: 3.1 6.51609756098 48% => Smog_index is low.
flesch_kincaid_grade: 11.8 10.3012195122 115% => OK
coleman_liau_index: 10.34 11.4140731707 91% => OK
dale_chall_readability_score: 7.85 8.06136585366 97% => OK
difficult_words: 31.0 40.7170731707 76% => More difficult words wanted.
linsear_write_formula: 13.5 11.4329268293 118% => OK
gunning_fog: 13.2 10.9970731707 120% => OK
text_standard: 14.0 11.0658536585 127% => OK
What are above readability scores?

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Maximum four paragraphs wanted.

Rates: 61.797752809 out of 100
Scores by essay e-grader: 5.5 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.