北京：暴雨红色预警期间，市民非必要不外出

Group 1 - The Beijing Meteorological Station issued a red rainstorm warning, predicting rainfall of over 150 millimeters in most areas and potentially exceeding 300 millimeters in some locations from 20:00 on the 28th to 07:00 on the 29th [1] - There is a high risk of mountain floods, mudslides, and landslides in mountainous and shallow mountainous areas, while low-lying areas may experience severe water accumulation [1] - The public is advised to avoid unnecessary outings, and organizations are encouraged to limit employee attendance to essential services only, with schools suspending offline teaching and outdoor activities [1]