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 bar chart compares how much air pollutants, namely SO2 and NO2, were recorded on a daily basis in four particular cities in the year 2000. Overall, while N2O was a dominant pollutant in Los Angeles, that in Beijing was SO2. It is worth noticing that Mexico was the most polluted city among the four, […]