BEIJING, March 15, Global Times: Beijing was engulfed by the largest sandstorms in a decade on Monday morning, which originated in Mongolia, causing the visibility in most areas to be less than 1,000 meters and bringing the PM10 close to 10,000 micrograms per cubic meter in the city center.
Beijing issued a yellow warning for sandstorms at 7:25 am, the Beijing Meteorological Observatory said Monday, warning the public to take suitable precautions. With a yellow warning, the public are encouraged to suspend any outdoor activities and to wear protective masks.