China's pollution problems are being faced in the worst weather again in the past year. After you have a problem here, when the beginning of the year the past 2556 (2013) by this event see clearly with the data from the Terra satellite MODIS/NASA's. December 7, 2013 will see that fog covered massively since Beijing (Beijing) to Shanghai (Shanghai), as well as approximately 1,200 km by white in the picture is a thick fog group. Best Grey Group smoke caused air pollution this time
.Rudolf Husar Center Director analyzes impact of air pollution trends and Washington University have described as "around the fog covered in white sheets, and there appears to be a smooth surface is different from clouds clear. A small group of Islands, and there is a black shadow that has a shape similar to the shape of the clouds appear to match the clouds and smoke, if any areas that have been covered above the fog. The area will appear as a light brown
.
For the DVR. The sensors measure weather conditions of the United States Embassy in Beijing and Shanghai. The standard measurement is smaller than 2.5 micron particulates (PM 2.5.) in the atmosphere is equal to 480 and 355 maikhrokram per cubic meter, respectively, which was born over the standard level WHO have declared that they want less than 25 maikhrokram per cubic meter. Dust that is smaller than 2.5 micron (Fine particulate matter), or one-third of the diameter of a human hair. As a result, health risk than larger phun (course particulate matter). Most of these details, which are often caused by dust burning energy sources, incomplete, or burning for agriculture
.
At the same time, the air quality index, or AQI of Beijing and Shanghai on the date that this DVR 487, and the pollution level eye 404, which was exceeding 300, if standard exceeded. Air quality index, and must be under the age of 50, it is considered good for mankind
.
That is now in some cities in China have been announced, but students in the building and running of Government, including orders to stop construction in order to try to reduce dust in the air, according to news reports in foreign media
.
การแปล กรุณารอสักครู่..