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Monday, October 3, 2016, 18:27

China renews yellow alert for smog

By Xinhua

China renews yellow alert for smog
A woman wears a face mask on a heavily polluted day in Beijing on Dec 26, 2015. (AFP PHOTO / GREG BAKER)
BEIJING - China's national observatory renewed a yellow alert, the third-highest level of warning, for smog on Monday morning.

Moderate smog will fall over Beijing as well as parts of north China's Hebei Province and northwest China's Shaanxi Province from Monday morning to Tuesday morning, with some areas to see heavy smog, the National Meteorological Center (NMC) said.

The smog will start to disperse gradually from Monday night, the NMC forecast.

It advised the public to take precautions, and patients with respiratory diseases were told to reduce outdoor activities.

Heavy air pollution continues to hit Beijing and surrounding areas and will not disperse until Tuesday night, the city's weather bureau said Monday.

According to the bureau, the concentration of hazardous fine particulate matter known as PM2.5 in Beijing was between 100 and 200 micrograms per cubic meter, indicating moderate pollution.

The city issued its first yellow alert for air pollution in the second half of this year on Sunday, triggering restrictions on work at construction sites, outdoor barbecues and burning straw.

Meteorological experts expect north China to face more smog in autumn and winter, given unfavorable weather conditions this year.

North China's Tianjin Municipality issued a yellow alert for air pollution and activated an emergency response on Monday.

According to the city's meteorological bureau, the Air Quality Index (AQI) reading was 173 at noon, with hazardous fine particulate matter PM2.5 being the primary pollutant.

The bureau said rain on Tuesday will help, but the smog will not be dispersed until a cold snap forecast to arrive Wednesday.

Emergency measures were taken following the alert. Factories were partially closed, work on construction sites was suspended, street cleaning was intensified and public transportation was encouraged.

Citizens were also advised to stay indoors and avoid outdoor activities.

China has a four-tier color-coded system for severe weather, with red being the most serious, followed by orange, yellow and blue.

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