A global air quality report, ‘The World Air Quality Report 2024,’ by Swiss firm IQAir, was released Tuesday. It ranked ...

NEW DELHI (Reuters) - New Delhi was the world's most polluted capital for the third straight year in 2020, according to IQAir, a Swiss group that measures air quality levels based on the concentration ...

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 ...

(CNN) — 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 ...