The twenty most polluted countries in the world are: Chad: More than 18 times higher than the WHO PM2.5 annual guideline. Bangladesh: More than 15 times higher than the WHO PM2.5 annual guideline.

How the Most Polluted Countries in the World Are Determined. According to the Energy Policy Institute at the University of Chicago, most people worldwide breathe contaminated air.

Pollution in the Vietnamese capital of Hanoi, home to almost 9 million people, reflects the environmental cost of the ...

All but one of the world’s top 20 most polluted cities last year were in Asia, with the majority of these cities – 13 – in India, the world’s most populous country.

The following list refers to data from Statista that ranks the most polluted countries in the world in 2024 based on the average PM2.5 levels. 1. Chad (91.8 microgram/m3) Chad tops the list with an ...

New Delhi was the most polluted capital city globally, followed by N’Djamena, capital of Chad, a country in central Africa with the world’s worst air pollution, according to the 2024 World Air ...

Chad, in central Africa, is the world’s most polluted country, while California has the worst air pollution in North America, according to an IQAir report. IE 11 is not supported.

India ranked as the fifth most polluted country in the world in 2024, with Byrnihat, Meghalaya, recognized as the most polluted metropolitan area globally. Despite a 7% decline in PM2.5 levels ...

This Michigan city ranks in the top 10 ‘most polluted’ air in the country, says new study by: Danielle Langenfeld, Nick Jachim. Posted: Apr 24, 2025 / 11:08 AM EDT.

These US cities have the ‘most polluted’ air in the country, says new study by: Danielle Langenfeld, Nick Jachim. Posted: Apr 24, 2025 / 11:26 AM CDT. Updated: Apr 24, 2025 / 11:26 AM CDT.

These US cities have the ‘most polluted’ air in the country, says new study by: Danielle Langenfeld, Nick Jachim. Posted: Apr 24, 2025 / 11:08 AM EDT. Updated: Apr 24, 2025 / 11:08 AM EDT.