沙尘暴蓝色预警：内蒙古北京河北等7省区市有扬沙或浮尘

Group 1 - The central meteorological station issued a blue warning for sandstorms, predicting dust or floating dust weather in several regions including western Inner Mongolia, western Gansu, northern Ningxia, northern Shaanxi, central and southern Shanxi, central and southern Hebei, and Beijing from January 8, 20:00 to January 9, 20:00 [1] - Local areas in western Inner Mongolia and western Gansu are expected to experience sandstorms [1] Group 2 - Defensive measures include preparing for wind and sand, closing doors and windows, and carrying dust protection items like masks and scarves to prevent damage to eyes and respiratory systems [3] - It is advised to secure temporary structures and outdoor items that may be affected by the sandstorm [3] - Drivers are recommended to control their speed due to low visibility conditions [3]