Beijing hits 'blue sky' target despite bad air

Beijing had 274 days of "grade one or two" air quality compared with 252 days in 2010, according to the government
Local youngsters are seen playing on a frozen lake at Shichahai, in central Beijng. City authorities said they had met their target of "blue sky" days for 2011, amid growing public criticism that officials are underplaying the pollution problem in the Chinese capital.

Beijing authorities said they had met their target of "blue sky" days for 2011, amid growing public criticism that officials are underplaying the pollution problem in the Chinese capital.

The city had 274 days of "grade one or two" air quality compared with 252 days in 2010, according to a statement on the Beijing government's official news portal, posted on Sunday.

"Beijing has seen an overall decline in the concentration of various pollutants in 2011," said Zhuang Zhidong, the deputy director of the Beijing Municipal Environmental Protection Bureau.

But Zhuang admitted that Beijing also experienced "several days of poor air quality as a result of conditions".

China uses a five-grade classification system to rate its air quality, with one being the best and five the worst.

But the environment ministry is under pressure to change the way it measures air quality after thick smog blanketed Beijing earlier this month, forcing the cancellation of hundreds of flights and triggering a surge in sales.

Public anger over heavy pollution has been compounded by official data showing is good, or only slightly polluted, when smog is visible and figures published by the US embassy rank it as "very unhealthy".

Chinese authorities currently use a method known as PM10, focusing on larger particles in the air.

But the environment ministry has proposed adopting the system favoured by the US embassy, which measures the smallest and most dangerous , known as PM2.5.


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(c) 2011 AFP

Citation: Beijing hits 'blue sky' target despite bad air (2011, December 18) retrieved 15 September 2019 from https://phys.org/news/2011-12-beijing-blue-sky-bad-air.html
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Dec 19, 2011
I have not been to Boojungtomwittipa`ing - in the original Han Dynasty language of the 12 century BC (Before Confucious) title as so named by King Monkey Great Sage, Equal of all Heaven.

But I have been in an Australian City where you could only just see the outline of a city building at 2 blocks away at midday, through the thick brown air.

Very bad. Very very bad. With a cough cough here and and a cough cough there, here a cough, there a cough, everywhere a cough cough.

Very bad.

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