What is UV Index on Apple Watch?
What is UV Index on Apple Watch?
With the UV Index reading available, those with the Series 4 Apple Watch will be able to know in advance, with a glance at their timepiece, whether they need to slather on a ton of sun screen before going outside. A reading in the 6 to 7 range indicates that unprotected skin will be at risk outdoors.
Does Apple watch measure UV?
Apple Watch: You can now check the UV Index on your watch. Tap and hold to view todays peak UVI, just as in the iOS app. The watch app also contains a My Skin section and 4 day hourly forecast.
Is a 0 UV Index Good?
A UV Index reading of 0 to 2 means low danger from the sun’s UV rays for the average person. Wear sunglasses on bright days. If you burn easily, cover up and use broad spectrum SPF 30+ sunscreen. Watch out for bright surfaces, like sand, water and snow, which reflect UV and increase exposure.
Is Apple Watch OK in the sun?
Apple Watch is designed to work best in ambient temperatures between 0° and 35° C (32° to 95° F), and should be stored between ambient temperatures of -20° and 45° C (-4° and 113° F). For example, Apple Watch shouldn’t sit unattended in direct sun for long periods or be left in a car on hot days.
What is the best UV index to tan?
Good UV Index for tanning
- UV Index 0 – 2. Low exposure level. Average time it takes to burn: 60 minutes.
- UV Index 3 – 5. Moderate exposure level. Average time it takes to burn: 45 minutes.
- UV Index 6 – 7. High exposure level. Average time it takes to burn: 30 minutes.
- UV Index 8 – 10. Very high exposure level.
- 11+ UV Index.
What’s a normal UV index?
Index usage
| UV index | Media graphic color | Risk of harm from unprotected sun exposure, for the average adult |
|---|---|---|
| 0 to 2 | Green | “Low” |
| 3 to 5 | Yellow | “Moderate” |
| 6 to 7 | Orange | “High” |
| 8 to 10 | Red | “Very high” |
How does Apple watch measure AQI?
It’s a numeric scale that goes from 0 to 500, in which the lower the number, the better the air quality. The EPA calculates the AQI based on five major air pollutants: ozone, particulates, carbon monoxide, sulfur dioxide, and nitrogen dioxide.
Is 11 UV Index bad?
A UV Index reading of 0 to 2 means low danger from the sun’s UV rays for the average person. 3 to 5 means a moderate risk of harm from unprotected sun exposure. 6 to 7 means a high risk of harm. A UV Index reading of 11 or more means extreme risk of harm from unprotected sun exposure.
Is UV Index 7 good for tanning?
It is important to remember that, in practice, no UV index is truly good for tanning. The NHS warns that a “healthy tan” does not really exist, spending long periods of time in direct sunlight is not recommended, no matter the UV index value, as any tan can increase the risk of developing skin cancer.
What UV is good for tanning?
TABLE 1. MINUTES OF SUNLIGHT EXPOSURE FOR SUFFICIENT VITAMIN D
| SKIN REACTION TO SUNLIGHT | UV Index | |
|---|---|---|
| 3-5 | 6-7 | |
| Skin type III: Occasionally burn, slowly tan | 20-30 min. | 15-20 min. |
| Skin type IV: Rarely burn, rapidly tan | 30-40 min. | 20-30 min. |
| Skin type V & VI: Very rarely burn, always dark | 40-60 min. | 30-40 min. |
What UV index is best for tanning?
Good UV Index for tanning
- UV Index 0 – 2. Low exposure level. Average time it takes to burn: 60 minutes.
- UV Index 3 – 5. Moderate exposure level. Average time it takes to burn: 45 minutes.
- UV Index 6 – 7. High exposure level.
- UV Index 8 – 10. Very high exposure level.
- 11+ UV Index. Extreme exposure level.