Only 13 of the world’s countries and territories had “healthy” air quality last year, according to a new report, as air pollution surged to alarming levels in 2022.

In this article, we will look into the 30 countries with the worst air pollution. If you want to skip our detailed analysis, you can go directly to the 10 Countries With the Worst Air Pollution.

Laos is one of the countries with the worst air pollution. The country has an annual average particulate matter concentration of 29.6 μg/m³ in the air, as of 2023. The most polluted city in Laos ...

India is one of the world’s most-polluted countries and an average resident is exposed to air pollution that exceeds the World Health Organization’s target for annual PM2.5 exposure by more ...

A mid-year report said Delhi’s end-of-life vehicle ban helps, but focusing only on vehicles overlooks other significant ...

A study reveals that lowering PM2.5 particulate matter to the recommended limit of 5µg/m³ would not only prevent thousands of ...

Air pollution in India resulted in 1.67 million deaths in 2019—the largest pollution-related death toll in any country in the world—and also accounted for $36.8 billion in economic losses, according ...

The transboundary health impacts of air pollution associated with the international trade of goods and services are greater than those associated with long-distance atmospheric pollutant transport.