Exploring the Dangers of UV Rays
UV rays, also known as ultraviolet rays, are a form of light that is derived from sunlight. These rays can be categorized into three types: UVA, UVB, and UVC.
UV rays are predominantly reflected by the ozone layer, with UVC rays being almost completely blocked. As a result, approximately 99% of ultraviolet rays that reach the earth’s surface are categorized as UVA rays, with a smaller portion consisting of UVB rays.
Excessive exposure to UV rays can lead to various detrimental effects on the skin, including sunburn, heatstroke, premature aging, and an elevated susceptibility to skin cancer.
Understanding the UV Index: Why is it Important?
The UV index (UV index) is a globally recognized metric for evaluating the intensity of ultraviolet radiation emitted by the sun. A higher index value signifies a greater level of risk. Here are the relevant details:
Knowing the ultraviolet (UV) radiation index is crucial for proactively safeguarding one’s personal health. This is particularly important in tropical countries such as Vietnam. Therefore, it is essential and recommended to be aware of the daily UV index in order to take appropriate preventive measures.
Checking the UV Index on Your Smartphone
- First, download the UVLens application, which allows you to view the real-time UV index.
- Simply follow the link provided below to download the application:
- [Insert download link here]
- Download UVLens for Android 4.1 and up
- Download UVLens App | Size: 53.3 MB | Compatibility: iOS 9.3 or later
Step 2: Launch the UVLens application that you recently installed. A prompt will appear on your phone asking for permission to access your location. Tap Allow to proceed.
To begin the application, please click the “Get Started” button below.
Step 3:
The main interface of the application will display essential information, including:
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UV Index and Warning Level
As of 12 o’clock on August 16, 2019, in Ho Chi Minh City, the current UV index is 13. Based on the detailed table above, it is recommended to take the following precautions:
The current UV Index is 13, indicating an extremely high level of UV damage. To protect yourself, it is recommended to apply sunscreen with a minimum SPF of 30+, wear clothing that covers your skin (such as long sleeves and pants), and consider wearing sunglasses with UV protection. These precautions are especially important if you will be spending time under direct sunlight.
- Please adjust the slider to view the next day’s UV index forecast.
You can customize various features by accessing the Settings (gear icon) in addition to the essential parameters.
You have the option to enable the Celsius to Fahrenheit switch in the Temperature Units section, or activate the display of the UV index on the interface by enabling the UV Index feature.