The chart provided the air pollution levels in three cities, city A, B and C from 2010 to 2020.
In summary, three cities had decrease the amount of air pollution through years with different of levels. First, city A had the most air pollution level in overall with 80 per meter but it did a great job when in 2020 it was only have 65 per meter. We all can see the hard-working of people in the town. Next, city B had a medium of air pollution level, approximately 65 per meter. Unfortunately, almost 2018 the air pollution level boosted a lots into 75 per meter but then the residents have been trying to decrease the amount of air pollution and in 2020 it ended up with 70 per meter. Finally, city C had the clearest town when the air pollution is surrouding 45 per meter and they kept it until 2020.
This chart also tell us about the pollution problems in all over the world had been a massive issue through years and have not end yet. So raise people and yourself awareness is the most important thing must do to save the Earth. Afterwards, we should going to break out to move on the next step.
