China pollution: First ever red alert in effect in Beijing

This article is sourced from BBC News (content may be edited for relevance).

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Although it is the first time a red alert has been issued, pollution has previously reached far worse levels in the city (Source: Reuters)

The alert, the highest possible warning level, was issued in Beijing over the extreme smog that has persisted for days now.

Limits have been placed on car use and some factories have been ordered to stop operations. It comes as China, the world’s worst polluter, takes part in talks on carbon emissions in Paris.

It is the first time China has declared a red alert under the four-tier alert system, which was adopted a little over two years ago, although pollution levels were far from the city’s worst.

At 07:00 local time on Tuesday (23:00 GMT on Monday), when the alert came into effect, the US Embassy’s air pollution monitor in Beijing reported that the intensity of the tiny particles known as PM 2.5 was at 291 micrograms per cubic metre. By 11:00 it had dropped very slightly to 250 – still a level it described as “very unhealthy”. Levels of the poisonous particles in the suburbs were reported at several times that number.

The World Health Organization recommends 25 micrograms per cubic metre as the maximum safe level.

But although the air is indeed an unpleasant, filthy grey, the pollution index is actually a good deal lower than it was this time last week, when the quantity of dangerous particulate matter (PM 2.5) surged to around 40 times the World Health Organisation’s maximum guideline.

So why red now? Well, the lack of any previous red alerts has been met with increasingly loud howls of derision. What would it take, people wondered last week – as their children felt their way to the still open schools through the poisonous gloom – for the government to act?

Perhaps it is the growing public pressure that has finally made the difference this time round.


Coal-powered industries and heating systems, as well as vehicle emissions and dust from construction sites, all contribute to the smog which has been exacerbated by humidity and a lack of wind.

As well as limits on construction and schools – which were advised to close if they did not have good air filtration systems – cars are only permitted to drive on alternate days, with the day depending on whether a car’s number plate ends in an odd or even number. Officials promised additional public transport to cope with demand.

China’s air quality is a key factor in its push for a new global deal on climate change.

“You have to do whatever you can to protect yourself,” Beijing resident Li Huiwen told AP news agency. “Even when wearing the mask, I feel uncomfortable and don’t have any energy.”

While the smog’s effects have been worsened by weather conditions and the city’s geography – bordered to the south and east by industrial areas that generate pollution and to the north and west by mountains that trap it – it has prompted increasing concern that China has prioritised economic growth at too high an environmental cost.

Correspondents say Chinese officials had been unwilling to commit to hard targets on reducing carbon emissions, but have now realised the country has to cut its dependence on fossil fuels. President Xi Jinping promised to take action over China’s emissions at the global climate change talks in Paris.

China still depends on coal for more than 60% of its power, despite major investment in renewable energy sources.

Categories: Asia, China, Environment, Research

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