Six out the world’s 10 most polluted cities are in India, while California has the worst air pollution in North America, a new report shows. New Delhi was the most polluted capital city globally, ...

Hanoi and Ho Chi Minh City rank among the world’s most polluted cities. The millions of petrol motorbikes are huge ...

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 ...

Dhaka, the densely populated capital of Bangladesh, ranked first among the world’s most polluted cities on Thursday morning, ...

Brisbane has made the top 10 for the most chilled cities on the planet and the Gold Coast has beaten 170 rivals to be named ...

New Delhi (CNN) — 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 day after celebrations for the Diwali festival, ...

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.