The report , which analysed data from over 40,000 air quality monitoring stations across 8,954 locations in 138 countries, ...

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 ...

India was home to six of the nine most polluted global cities, IQAir said. One hundred and twenty-six countries, or 91.3% of the world, exceeded the WHO guideline, according to the report.

All but one of the world’s top 20 most polluted cities last year were in Asia, with the majority of these cities – 13 – in India, the world’s most populous country. Neighboring Pakistan ...

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 ...

Discover which country has the worst air pollution in the world and why. Explore the top nations struggling with toxic air, ...

HONG KONG — Six of 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 ...