The severity of the crisis has left Tehran, home to more than 15 million residents, the world's most polluted city. Tehran ...

Shahdara, Kahna Nau, FMD Research Centre corridor cross 300 threshold, entering ‘very unhealthy’ to ‘hazardous’ range ...

Uttar Pradesh’s Ghaziabad was the most polluted city in the country in November, registering an average PM2.5 concentration ...

At the state level, Rajasthan had the highest number of polluted cities, with 23 of 34 exceeding national limits in November.

Millions in India's capital face a persistent health hazard from air pollution, with sustained high levels of PM2.5 linked to severe respiratory, card ...

Ghaziabad was the most polluted city in India in November, with a monthly average PM2.5 concentration of 224 microgram per cubic metre and air quality remaining above the national standards on all 30 ...

Many people still burn trash, ride old motorbikes, and use charcoal stoves, and they treat Hanoi's air pollution as someone else's problem.

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 ...