It seems that more developed countries have greater issues with pollution unless they have taken control of it. Some of the most polluted places have to do with the amount of people that live in that area. The larger the number of people in a country and in smaller spaces, the more likelihood that they will have more pollution. The countries that are increasingly becoming more polluted are those that have more factories and have their population growing at alarming rates.
Some of the countries that are currently experiencing some of the worst air pollution include Peru, Russia, Indonesia, Argentina, India, Brazil and Mexico. They have air pollution problems which makes it difficult for their citizens to breathe. They incur many different health problems.