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 ...

Chad was ranked the world’s most polluted country in 2024 in a new report. The Central African country recorded an annual average PM2.5 concentration — fine particulates known to be harmful to human ...

About 90% of the global population in 2022 experienced unhealthy air quality, and only six countries met the World Health Organization's recommendations of safe air pollutant levels, according to a ...

HONG KONG — 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 ...

(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 ...

Less than one-fifth of the cities worldwide met the international criteria for clean air in 2024, a global study has found. The IQAir World Air Quality Report, which analysed data from over 40,000 air ...

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, ...