Rising ozone pollution in China's cities has emerged as a major health risk, causing a rise in deaths from strokes and heart disease among vulnerable residents, according to a new study by a team of Chinese researchers.
Tens of thousands of runners braved smoggy conditions for the Delhi half marathon on Nov. 19 despite dire health warnings from doctors who wanted the race postponed in the heavily-polluted capital.
Toxic smog thickens in New Delhi
The Environment Ministry on Monday issued a warning against the use of fireplaces and wood-burning stoves amid concerns of a build-up of toxic smog, especially in cities.
The ministry said that prevailing conditions on Monday and Tuesday of low winds and rising temperatures are conducive to the accumulation of particulates in the atmosphere that cause smog.
Heavy smog in northern China yesterday caused hundreds of flights to be cancelled and highways to shut, disrupting the first day of the new year holiday.
Large parts of the north were hit by hazardous smog in mid-December, leading authorities to order hundreds of factories to close and to restrict motorists to cut emissions.
China's smoggiest city closed schools Dec. 21 as much of the country suffered its sixth day under an oppressive haze, sparking public anger about the slow response to the threat to children's health.
Since Dec. 16, a choking miasma has covered a large swathe of northeastern China, leaving more than 460 million gasping for breath.