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 ...

The South Asian countries of Pakistan, India and Bangladesh are among the most polluted countries in the world while Australia, New Zealand and Iceland are among the least polluted countries, a new ...

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.

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.

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 ...

Today (11 March), the city’s air was classified as ‘unhealthy’, indicating a serious health threat, according to the AQI report.

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 ...