New Delhi under 'worst smog levels in recent years' from fumes, emissions and straw burning

India’s capital city is blanketed in a poisonous smog every winter.

India's capital is polluted with smog... but these Delhi offices have air as fresh as the Swiss Alps

The Paharpur Business Centre has more than 7,000 plants pumping fresh air into its offices.

Public health emergency declared as smog blankets Delhi

And worse may be to come.

Spending a day in Delhi is the equivalent to smoking 40 cigarettes. We went to see for ourselves

The pollution during our visit was so bad you could taste and smell it.

UN agency says 681 people died in Ireland from air pollution in one year

The UK had 16,355 deaths from air pollution in the same year, according to a WHO report released today.

China plans to take a lot of old bangers off the road this year

Up to six million, in fact. It’s in a bid to tackle the country’s “extremely grim” environmental situation.

EPA finds no long-term health impacts from Ballymount recycling plant fire

The Oxigen recycling plant in Ballymount, Dublin burned for over a week in January.

Fears for Ireland's air after health warnings in the UK

Ireland’s air quality suffered from dust that was carried from the Sahara desert over the weekend.

Forget Paris, these are the world's most polluted cities

More than two million people die every year from breathing indoor and outdoor particle pollution.

Air pollution causes cancer - WHO

Air pollution has been put on the same level as tobacco in terms of the damage it causes.

Even low levels of air pollution can lead to lung cancer, major new study shows

Researchers found that there was “no threshold below which there was no risk” in a major study of 300,000 people.

Helicopters 'water-bomb' Singapore to fight hazardous smoky haze

Sinagpore is shrouded in haze due to forest fires on the neighbouring Indonesian island of Sumatra.

"It creeps menacingly": When deadly smog choked Dublin's skies

In 1982, a number of deaths in Dublin were directly connected to high levels of smog. What happened next?

Gallery: The world's most polluted cities

Air pollution killed 1.3million people in 2008, according to the World Health Organisation. Here are the globe’s worst offenders…

Moscow smog blamed for doubling death rate

Fires causing air quality to seriously deteriorate.

Moscow update

Moscow: city of smog (photos)

Smoke from peat fires which rage outside Russia’s capital have covered the city in thick smog, but life carries on.