Ho Chi Minh City repeatedly ranked among the world’s 10 most polluted cities on Saturday, as thick haze blanketed large parts ...

Lahore has been ranked at the top of global pollution charts with an Air Quality Index (AQI) of more than 300, according to ...

The severity of the crisis has left Tehran, home to more than 15 million residents, the world’s most polluted city. Tehran now ranks ahead of Baghdad, Delhi and Kolkata—with air quality levels ...

Hanoi's air quality index reached 174 by 2 PM, placing the city among the 10 most polluted in the world today.

Hanoi has been ranked second with India’s capital New Delhi still holding the first rank in terms of worst AQI index and becoming the most polluted.

Some countries are known for having dangerously high pollution levels, poor sanitation, and large amounts of unmanaged waste. These problems are usually caused by overpopulation, industrial activity, ...

HANOI, Vietnam — Hanoi has no horizon. Blocky apartment towers dissolve into gray fog in the Vietnamese capital, as barges carrying sand inch down the Red River toward makeshift jetties. At street ...

LAGOS, Nigeria (AP) — Nigerian shop manager Olarewanju Ogunbona says he uses Styrofoam and plastic packs at least five times a day — nothing unusual in the megacity of Lagos, one of the world’s most ...

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.