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 ...

Tehran’s rapidly worsening air pollution has reached life-threatening levels, prompting Iran’s vice president to caution on Friday that the smog “will kill” as schools and universities across the ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Around 20 million people in India’s capital woke up on Wednesday breathing the most polluted air of any major city in the world, a ...

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.

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