5 Most Polluted Countries in the World

In this article we are going to list the 5 most polluted countries in the world. For a detailed coverage of this topic and a more comprehensive list please take a look at the 25 most polluted countries in the world.

5. Oman

Air quality index score: 146

The most polluted country in the Middle East, Oman’s pollution is derived from the production of crude oil as well as its refining, in addition to vehicle emissions.

4. India

Air quality index score: 151

The two subcontinental countries are among the most polluted countries in the world, and in 2019, 21 of the 30 most polluted cities in the world were in India. Industrial pollution is the leading cause of pollution in the country.

3. Pakistan

Air quality index score: 156

Pollution in Pakistan is a major issue, reducing life expectancy by more than 4 years. Transportation is one of the main reasons behind the high level of pollution, with little regulations and even lesser enforcement.

2. Chad

Air quality index score: 161

Chad is the most polluted country in Africa and air pollution is considered to be the third biggest risk factor in the country, after sanitation and malnutrition. In 2017, more than 14,000 deaths were caused due to air pollution while the decrease in life expectancy is close to three years. The entire population of the country lives in areas with air pollution above the recommended guidelines by the World Health Organization.

1. Bangladesh

Air quality index score: 161

Topping the list of the 25 most polluted companies in the world is Bangladesh, for two years in a row. Dhaka has registered the biggest increase in premature deaths, and is one of the most congested cities in the world.

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