Technical Articles

How many lux per day?

In our daily lives, we are constantly exposed to different levels of light. From the moment we wake up until we go back to sleep, we rely on artificial and natural light sources to navigate our way through the world. But have you ever wondered how much light we actually need? In this article, we will delve into the concept of lux and explore how it relates to our daily lives.

What is lux?

Lux is a unit of measurement that quantifies the intensity of light received on a surface. It is derived from the Latin word "lux," which means "light." Essentially, it measures the amount of visible light that illuminates an area.

To put it in perspective, a typical sunny day can provide us with an illuminance of around 100,000 lux, while a moonlit night may only offer 0.25-1 lux. The lux values vary depending on the distance from the light source and the size of the illuminated area.

But what does this mean for us? How does the lux value affect our daily lives?

The importance of lux in our daily lives

The lux value plays a crucial role in various aspects of our lives, including health, productivity, and comfort. Adequate lighting not only helps us see clearly but also impacts our mood, cognition, and overall well-being.

When it comes to our eyesight, exposure to insufficient or excessive light can cause eyestrain and fatigue. Poor lighting conditions can also affect our alertness and concentration, leading to decreased productivity and performance in work or educational settings.

Furthermore, several studies have highlighted the impact of light on our circadian rhythm, or body clock. Natural daylight exposure during the day helps regulate our sleep-wake cycle and promotes better sleep at night. Insufficient light exposure, on the other hand, can disrupt this delicate balance and result in sleep disorders or mood disturbances.

Therefore, it is essential to ensure adequate lighting in our daily environments, whether it's at home, in offices, or public spaces. Understanding the ideal lux levels for different activities can assist in creating well-lit and comfortable spaces for optimal living conditions.


Lux is not just a random metric used by lighting professionals; it has a significant impact on our daily lives. From improving our visual comfort to influencing our sleep patterns, the lux value provides valuable insights into the quality of lighting we are exposed to.

So next time you step into a brightly lit room or experience the warmth of natural sunlight, think about the lux levels and appreciate the importance of lighting in enhancing our daily experiences.



Contact: Nina She

Phone: +86-13751010017


Add: 1F Junfeng Building, Gongle, Xixiang, Baoan District, Shenzhen, Guangdong, China

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