sandy and dusty weather沙尘天气

· he Beijing Meteorological Service issued a warning on sandy and dusty weather in the city.

北京市气象局3月28日早晨发布沙尘天气预警。

· Sand blew in from Mongolia on Monday, affecting an area 

·  of 1.5 million square kilometers as of Wednesday noon, including .........此次沙尘源自蒙古国，覆盖范围涉及内蒙古、山西、河北、吉林，以及北京、天津等地，影响面积约150万平方公里。 it exceed the ability of equipment to measure it, 此次沙尘天气造成多地空气质量爆表。