Here's an overview of the top 10 most polluted countries, ranked by their annual average PM2.5 concentration (measured in micrograms per cubic meter). Countries like Nepal, Uganda, and Rwanda also ...

which highlighted "alarming trends of the world’s most polluted countries, territories, and regions in 2024." All but one of the world’s top 20 most polluted cities last year were in Asia ...

A chart showing the world’s most polluted countries in 2024. Swiss air quality monitoring firm IQAir, which compiled the data, found that only seven countries met the WHO benchmark: Australia ...

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Languages: English and Chinese. You can get in touch with John by emailing [email protected] Newsweek has created a map showing the world's most hated countries and the United States comes in ...

Six out the world’s 10 most polluted cities are in India ... Data the U.S. provided in dozens of countries had led to noticeable improvements in local air quality in China and elsewhere ...

But overall, India – the world’s most populous nation with 1.4 ... to some 400 million people – were second and third-most polluted countries globally in terms of PM2.5 molecules, according ...

and India also topped the list of countries with the worst air pollution. India, in particular, saw extreme levels of pollution, with six of the world’s nine most polluted cities. The country ...

Sumaiya Ansari, 2, plays outside her home in the town of Byrnihat, ranked world's most polluted metropolitan area by Swiss Group IQAir, in India, March 29, 2025. REUTERS/Sahiba Chawdhary 3 of 7 ...