Many cities worldwide struggle with air pollution, caused by everything from endless cars to power-guzzling factories. And sadly, in many urban hubs across the globe, air pollution is on the rise – in ...

Kathmandu has been listed as the second most polluted city in the world, according to the latest data from IQAir. The Air Quality Index (AQI) in Kathmandu rea ...

Dhaka, March 10 -- Dhaka, the densely populated capital of Bangladesh, ranked second among the world's most polluted cities on Tuesday morning, recording an Air Quality Index (AQI) of 212 at 9:10 am.

The region of Sarajevo on Wednesday declared a state of alert, as the Bosnian capital once again ranked among the world's most polluted cities. The concentration of fine particles in Sarajevo in the ...

New Delhi (CNN) — It’s easy to tell when it’s smog season in New Delhi; the air gets darker, heavier and starts scratching the throats and testing the lungs of the city’s 34 million residents.

Kolkata: The city has emerged as the third most-polluted state capital in India during the winter of 2025–26 in terms of ...

Each city was given a stress score out of 10, with higher scores indicating greater overall strain. Here are the 10 most stressful cities in the world, according to the index.

Some countries are known for having dangerously high pollution levels, poor sanitation, and large amounts of unmanaged waste. These problems are usually caused by overpopulation, industrial activity, ...

Add Yahoo as a preferred source to see more of our stories on Google. Smog settles around Delhi's famed Red Fort in the early hours of November. - Sanchit Khanna/Hindustan Times/Getty Images It’s easy ...