Core Viewpoint - The article discusses the misconceptions surrounding the selection of residential floors, emphasizing that traditional beliefs and superstitions should not dictate choices. Instead, practical considerations such as noise, lighting, ventilation, and safety should guide decisions when purchasing high-rise apartments [1][9]. Group 1: Impact of Superstitions on Floor Prices - Superstitions regarding certain floors, such as the 4th, 13th, and 14th, lead to lower average transaction prices, with these floors selling for approximately 3% less than adjacent ones [1][9]. - High-rise apartments (8 floors and above) constitute 67.3% of new urban residential buildings, with this figure rising to 78.5% in major cities, indicating a significant market trend towards taller buildings [1]. Group 2: Noise Pollution Concerns - Floors 2 and 3 are particularly affected by noise pollution, with outdoor noise levels averaging 5-8 decibels higher than those above the 6th floor [3][4]. - Proximity to elevator machinery can result in noise levels exceeding 45 decibels at night, surpassing the World Health Organization's recommended indoor noise standard of 30 decibels [4]. Group 3: Lighting and Ventilation Issues - Lower floors (1-3) experience a 30% reduction in winter sunlight compared to those above the 10th floor in buildings with a 24-meter spacing [5]. - Air quality is poorer on lower floors, with PM2.5 concentrations 15% higher on floors 1-3 compared to those above the 15th floor [5]. Group 4: Safety Hazards - Top floors in older buildings face significant leakage issues, with over 35% of residents reporting leaks, which can lead to structural damage and safety risks [7]. - Ground floors are more susceptible to burglary, accounting for approximately 62% of residential thefts, and also face higher humidity and pest problems [8]. Group 5: Rational Floor Selection Strategies - Buyers should consider family composition when selecting a floor; lower floors may be more suitable for families with elderly or young children [11]. - Conducting thorough inspections at various times can provide insights into noise, lighting, and air quality [11]. - The quality of construction and property management can mitigate issues related to top floors, such as leaks and temperature control [11]. - The orientation and layout of the apartment can significantly impact living conditions, sometimes outweighing the floor level itself [12]. - Awareness of surrounding developments is crucial, as future constructions can affect light and noise levels [12]. - Decisions should be based on practical needs rather than superstitions, as floors often deemed undesirable may offer better value [9][13].