North China covered dust storm
Moscow. May 4. INTERFAX.RU — dust storm covered the Northern regions of China, including the capital Beijing, reports “bi-Bi-si”.
The permissible content of hazardous substances in air are exceeded several times. Local authorities have advised residents to reduce the time spent on the street, and older children and is instructed to try not to leave homes.
According to the Beijing Department of environmental protection, increased airborne levels of harmful fine particles PM 2.5, it is 500 micrograms per cubic meter. According to the standards of the world health organization, this figure should not exceed 25 micrograms per cubic metre.
The wind brought dust and sand from neighboring Mongolia from the Chinese region of Inner Mongolia. Due to the deterioration of the visibility of dozens of flights at Chinese airports delayed or postponed.
The authorities estimate that the situation will begin to improve on Friday 5 may.