Beijing's government on Friday bowed to a vocal online campaign for a change in the way air quality is measured in the Chinese capital, one of the world's most polluted cities.

Authorities said they would start publishing figures this month showing the smallest, most dangerous pollution particles in the air after considering the wishes of residents, expressed on China's popular microblogs.

The Chinese capital currently bases its air quality information on particles of 10 micrometers or larger, known as PM10, and does not take into account the smaller particulates that experts say are most harmful to human health.

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