The Chinese wanting to insure that the public knows the current levels of particulate matter in the Beijing air blocked access to the U.S. Embassy's mobile air pollution app just as the APEC summit was starting in the Chinese capital.
Chinese authorities have asked sites and apps which monitor air pollution in Beijing to stop using data provided by the US embassy, say media reports.
Many Beijingers use apps and sites to check pollution readings, including levels of dangerous PM2.5 particles.
The city, which is often engulfed in a thick blanket of haze reaching well beyond healthy levels, had clear blue skies for the days leading up the summit.
However on Monday as world leaders met for bilateral talks, our correspondents reported there was smog in the capital again.
Most apps and sites provide a daily reading from both the city government and the US embassy reading. The US reading is considered by many to be more reliable and often shows a higher pollution count.
Chinese authorities have asked sites and apps which monitor air pollution in Beijing to stop using data provided by the US embassy, say media reports.
Many Beijingers use apps and sites to check pollution readings, including levels of dangerous PM2.5 particles.
The city, which is often engulfed in a thick blanket of haze reaching well beyond healthy levels, had clear blue skies for the days leading up the summit.
However on Monday as world leaders met for bilateral talks, our correspondents reported there was smog in the capital again.
Most apps and sites provide a daily reading from both the city government and the US embassy reading. The US reading is considered by many to be more reliable and often shows a higher pollution count.
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