Renovation guidance: children room indoor environment indicators
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Carbon monoxide: less than 5 mg/m3. Carbon monoxide is the most common toxic gas in indoor air, and it easily damages children's neural cells and is extremely harmful to children's growth.
â— Bacteria: The total number is less than 10/m3. Children are in the stage of growth and development, and their immunity is relatively low. We must do a good job of sterilizing and disinfecting the room.
â— Indoor air temperature: children's body temperature adjustment ability is poor, summer should be controlled at 28 degrees Celsius, the indoor temperature in winter should be above 18 degrees Celsius. However, attention should be paid to the influence of air-conditioning on children's bodies and their rational use.
â— Relative humidity: It should be guaranteed between 40% and 65%. If the humidity is too low, respiratory damage caused by children may be easily caused. If the humidity is too high, evaporation of sweat may be unfavorable and the child may be unwell.
â— Air flow: under the premise of ensuring ventilation, the air flow should not exceed 0.3m/s; if it is too large, it will make children feel cold;
â— Lighting: When the children write, the room light should be evenly distributed, no strong glare, desktop illumination should not be less than 100LX;
â— Noise: Children's room noise should be controlled below 50 dB. Noise has a great impact on children's brain activity. On the one hand, it distracts children from their attention in learning activities. On the other hand, prolonged exposure to noise can cause children's psychological stress and affect their physical and mental health.