People with lung or heart conditions have been advised not to exert themselves if outside
Commons' environment committee says the Government must act urgently to stop up to 50,000 deaths a year
The 'Paris Breathes' initiative will create traffic free zones across the city
None of the 37 top-selling cars met the legal limits for nitrogen oxide, with some emitting up to 12 times the legal limit
The smoggy capital will also double the number of air monitoring stations
As many as 99,000 deaths across Europe are caused by indoor air pollution each year
The head of public health at the WHO believes air pollution could have untold effects on future generations
Motorists are still allowed to drive their cars in Central London, however.
China's capital city has again come to a halt due to dangerous levels of air pollution, with people advised to stay indoors
One bottle of Vitality Air's premium oxygen costs nearly $28 (£18.50)
Customers were charged one yuan per person to for the privilege of breathing filtered air
Online sales of the contraception have been boosted by the severe pollution engulfing China's capital
'I feel my throat totally congested with phlegm and it feels very itchy. But I'm more concerned about the health of my 7-year-old kid'
'This sort of weather, you can see that all of Beijing has been completely enveloped in smog'
Smoke from nearby wood-burning crematorium is yellowing the mausoleum’s marble
The thick smog reportedly led to residents complaining of sore throats