The chart shows the average daily minimum and maximum levels of air pollutants in 4 cities 2000. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

the chart illustrates the average least and most levels of air pollutants in Los Angeles, Calcutta, Beijing, Mexico City 2000. Overall, it can be seen the city that omits the highest percentage of pollutants was Mexico City, while Los Angeles accounted for the lowest proportion. Futhermore, a significant difference between Mexico City and the other […]