Pollution in the Vietnamese capital of Hanoi, home to almost 9 million people, reflects the environmental cost of the ...

Begusarai, a city of half a million people in northern India’s Bihar state, was the world’s most polluted city last year with an average annual PM2.5 concentration of 118.9 — 23 times the ...

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.

Annual average PM2.5 concentrations in the world’s most polluted cities range from 86 micrograms per cubic meter in Zhengzhou, China to 149 micrograms in Patna, India.

Shockingly, 12 of the world's 15 most polluted cities are in India. What's more, the country is also home to 63 of 100 of the most polluted places.

In this article, we will be taking a look at the most polluted cities in the world. To skip our detailed analysis, you can go directly to see the 5 most polluted cities in the world. Pollution is ...

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.

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 ...

By Helen Regan, CNN Hong Kong (CNN) — All but one of the 100 cities with the world’s worst air pollution last year were in Asia, according to a new ...

Begusarai, a city of half a million people in northern India’s Bihar state, was the world’s most polluted city last year with an average annual PM2.5 concentration of 118.9 — 23 times the ...

Begusarai, a city of half a million people in northern India’s Bihar state, was the world’s most polluted city last year with an average annual PM2.5 concentration of 118.9 — 23 times the ...

Begusarai, a city of half a million people in northern India’s Bihar state, was the world’s most polluted city last year with an average annual PM2.5 concentration of 118.9 — 23 times the ...