Report reveals 2024's most polluted cities, countries

India has six of the world's 10 most polluted cities, report shows
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.
The list of the world’s top 20 most polluted cities is out. All but one are in Asia
All but one of the world’s top 20 most polluted cities last year were in Asia, a new study shows. The majority of these cities – 13 – are in the world’s most populous country, India, where booming economic growth is fired largely by coal and where hundreds of millions live in traffic-clogged and congested megacities .
The world's 10 most polluted cities revealed - Asia dominates list
The most polluted cities in the world last year have been revealed in a new study, with countries in Asia dominating the top 10, a new study suggests.
Top 10 most polluted cities in the world (2024-25): 6 of them are in India
India, the fifth most polluted country in the world, is home to 13 of the top 20 most polluted cities in the world, according to the latest report by IQAir.
Most polluted cities in the world — and the U.S. — revealed in annual report
The countries with the worst air quality included Bangladesh and India, according to an annual report from IQAir.
Report reveals 2024's most polluted cities, countries: Which US cities made the list?
Data from more than 40,000 air quality monitoring stations in 138 countries, territories and regions were analyzed for the report, IQAir said.
20 most polluted cities in the world
Air pollution remains a serious global challenge, with some cities experiencing dangerously high levels of fine particulate matter (PM2.5). According to the latest IQAir report, 19 of the 20 most polluted cities in the world are in Asia,
Inside one of the world's most water-efficient cities
Fukuoka, a city on Japan's Kyushu island, uses cutting-edge technology such as satellites and AI to save water.
These major cities around the world are slowly sinking into the ocean
These massive cities are sinking into the ocean as climate change fuels rising sea levels all around the world.
Flood and drought exposure ‘ramping up for world’s most populated cities’
London is among the cities which could face more frequent and long-lasting droughts in future, research has found.
Mumbai among world's top 20 food cities: Report
Mumbai has been named one of the world's top food destinations for 2025 by Time Out, ranking 14th globally. The city is ...