三级aa视频在线观看-三级国产-三级国产精品一区二区-三级国产三级在线-三级国产在线

US EUROPE AFRICA ASIA 中文
China / Society

Bye-bye blue: More smog settling in

By WANG YANFEI/WANG XIAODONG (China Daily) Updated: 2015-12-07 07:22

Beijing issues orange alert 31 hours ahead of expected gloom to help people prepare

Bye-bye blue: More smog settling in

People enjoy the ice near the National Stadium, or "Bird's Nest", in Beijing under clear skies (left). By Sunday, the facility was shrouded in smog (right). GUO QIAN/CHINA DAILY

With a new round of smog likely to engulf Beijing and surrounding areas over the next three days, the city issued an orange alert-the second-highest warning level-on Saturday afternoon, 31 hours ahead of the expected gloom.

It was the second such alert issued within a few days, following a brief respite after last week's heavy smog was whooshed away by a cold weather front.

The early warning was issued "to better inform and help residents cope with air pollution, and to help polluted factories better prepare to reduce production", said Xue Jianjun, senior engineer at the National Meteorological Center.

Precipitation on Sunday night could dissipate airborne particles a little, but the pollution level is likely to peak on Tuesday and Wednesday, the center said.

According to the Beijing Municipal Meteorological Bureau, smog is likely to reduce visibility to 3 to 5 kilometers starting on Sunday. In some areas, visibility is likely to be less than 1 km.

"Factory discharges and unfavorable weather conditions-mainly slow wind speed and high humidity-are the leading factors in air pollution this time," Xue said.

The Ministry of Environmental Protection predicted that the dominant pollutant will be PM2.5-particles 2.5 microns or less in diameter that pose hazards to human health.

Schools are required to keep students indoors, and factories are required to limit or suspend output while the orange alert is active from Monday to Wednesday.

"Even though emergency measures do not necessarily eliminate the pollution, they can effectively reduce the peak level," Xue said.

To tackle the problem this week, updates on air pollution levels will be more frequent, and inspections of polluting factories will be strengthened, Minister of Environmental Protection Chen Jining said on Sunday.

How to deal with pollution

Residents, especially the elderly and young children, should minimize the length and intensity of outdoor activities and should wear a mask on smoggy days, said Zeng Xiaopeng, deputy director of the Beijing Center for Disease Prevention and Control.

When returning home, people should wash their faces and rinse out their mouths. They should also remove and store their coats to reduce contamination indoors, he said.

Residents should close their windows and minimize activities that pollute indoor air, such as cooking and smoking, he said, adding that air purifiers can be left on to reduce the density of harmful particles indoors.

Gu Qing, director of the Tianjin Center for Disease Prevention and Control, also suggested not wearing contact lenses because the air pressure is lower. In such conditions, contact lenses can prevent corneas from getting enough oxygen, which can cause discomfort.

Highlights
Hot Topics
...
主站蜘蛛池模板: 妞干网在线免费观看 | zzijzzij亚洲日本护士 | 亚洲精品乱无伦码 | 欧美一级毛片高清免费观看 | 亚洲欧美中日韩中文字幕 | 久久久精品国产免费观看同学 | 国产精品福利视频手机免费观看 | 久久5| 亚洲在线免费免费观看视频 | 免费一级网站 | 久久精品国产久精国产80cm | 高清欧美在线三级视频 | 性做久久久久久久久男女 | 青青青青在线成人视99 | 桐岛永久子 | 傲视影院午夜毛片 | 成人精品一区二区户外勾搭野战 | 国产在线视频www片 国产在线视频www色 | 小优视频最新免费观看 | 亚洲精品小说一区二区三区 | 青青草99热这里都是精品 | xxoo做爰猛烈动态视频网站 | 在线伊人 | 女神穿上情趣丝袜啪啪一整晚 | 亚洲步兵一区二区三区 | 欧美一级看片免费观看视频在线 | 亚洲第一网址 | 又大又粗进出白浆直流动态图 | 在线欧美日韩精品一区二区 | 亚洲婷婷六月 | 免费能看的黄色网址 | 久久久久亚洲精品影视 | 一区二区三区无码高清视频 | 欧美色图一区二区 | 欧美日本国产 | 久久久久久久国产视频 | 久久99爰这里有精品国产 | 一级毛片一级毛片免费毛片 | 国产成人在线看 | 最近中文日本字幕免费完整 | 国产一区二区三区露脸 |