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  • Dec 25, 2014
  • Updated: 11:59am

Beijing air pollution

The Chinese capital has for many years suffered from serious air pollution. Primary sources of pollutants include exhaust emission from Beijing's more than five million motor vehicles, coal burning in neighbouring regions, dust storms from the north and local construction dust. A particularly severe smog engulfed the city for weeks in early 2013, elevating public awareness to unprecedented levels and prompting the government to roll out emergency measures. 

NewsChina
ENVIRONMENT

Smog threat remains; Beijing issues first ever orange alert

Beijing issues orange warning for the first time as reduced visibility disrupts transport systems

PUBLISHED : Monday, 14 January, 2013, 12:00am
UPDATED : Tuesday, 22 January, 2013, 8:51am
 

As thick smog choked the capital and many mainland cities for a third straight day, Beijing yesterday issued its first-ever orange fog warning - indicating that visibility was less than 200 metres.

The conditions disrupted air traffic, forced the closure of several highways and sent countless residents scrambling for their surgical masks.

Air-quality readings released by the capital's municipal environmental monitoring centre showed the level of health-threatening PM2.5 particles, or those smaller than 2.5 microns, was 500 in the south of the city, or the upper limit of the scale. In the northern part, the level reached 440, meaning the air quality was a threat to health.

The US embassy's pollution data, published hourly on Twitter, said the PM2.5 level around the embassy was highest at 1pm, when it reached 446, or a "hazardous" level.

Yet the readings still paled in comparison to Saturday's levels, when the PM2.5 reading reached 886 micrograms per cubic metre, according to the embassy's "BeijingAir" Twitter feed.

Meteorologists in the city have forecast that the cloud of haze will linger until Wednesday, when strong winds are expected to blow the pollutants away.

The China National Environmental Monitoring Centre recorded air pollution levels in 33 cities across the country. Changsha , the capital of Hunan , issued a red warning, the highest, as visibility dropped to less than 50 metres.

The heavy smog was responsible for 10 highway closures in five provinces, including Hebei and Liaoning . An accident in Guilin , Guangxi , involved more than 20 vehicles and resulted in one death and 15 injuries. Elsewhere, a high-speed train from Beijing to Wuhan , Hubei , was delayed for more than three hours on Saturday morning because of a technical glitch caused by the smog, Beijing railway officials told China Central Television (CCTV) yesterday.

Airports in Changsha and Kunming closed yesterday morning due to heavy smog, and even though they reopened in the afternoon more than 400 flights were delayed.

For two consecutive days, smog across the nation topped CCTV's 7pm news broadcast. Drivers were even instructed how to travel in smog and the public was advised to buy face masks and to not exercise outdoors.

Duan Lei, a professor at Tsinghua University's School of Environment, said: "The major problem with Beijing's air quality comes from car exhausts. It is the government's responsibility to foresee the consequences and control the number of cars on the road. Beijing still has too many cars on the road even with the restrictions on purchases and driving."

The Beijing Municipal Education Commission on Saturday issued an urgent order that primary and middle schools in heavy pollution areas were to hold physical education lessons indoors. More than 30,000 factories that release gases into the air were told to discharge less and government cars were ordered to stay off the roads.

Residents could do little aside from searching for facial masks and limiting outdoor activities. "People are forced to stay at home due to the bad air quality, not because of war or hostile foreign forces, but because of incompetent administrators in the country and the blood-stained GDP," said a Sina microblog user.

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captam
I hope Hong Kong's environmental officials are reading this. Beijing's air problems are caused by too many CARS on the roads. The same applies to Hong Kong with private car ownership now over the half million level. Removing a only few thousand old diesel vehicles or black-smoke spewing sea vessels is not going to solve our road-side pollution problems. You have to get rid of traffic congestion and this means many of the cars have to go!

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