The red alert, the most serious level, will last from 7.00 a.m. (local time) Saturday to 12.00 p.m. Tuesday, limiting vehicles on roads according to odd-even license plate numbers, Xinhua reported. Fireworks and outdoor barbecue would be banned, the Beijing heavy pollution emergency response headquarters today.

The air pollution will be worse than the spell between December 6 and 9, it forecast.Visibility in Beijing and some neighboring regions will be reduced to less than one kilometre. The density of PM2.5, particulate matter smaller than 2.5 mm used to measure air quality, in some of the regions will exceed 500 mg per cubic metre.

The World Health Organization’s recommended maximum is 25 mg per cubic metre. Citizens were advised to reduce outdoor activities and kindergartens, primary and middle schools were expected to suspend classes during the alert.Beijing issued its first ever red alert for air pollution on December 7 after the worst period of air pollution this year when PM 2.5 reached the top of the scale at 500.

Read more: Pollutants in Delhi's air on rise again

Latest News from World News Desk