
A Sun Alert
FREE
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Description
With Sun Alert you can calculate the recommended sun exposure time from your iPhone or iPod touch.
Whether you are at the beach, climbing mountains, skiing, walking, jogging or working outdoors you need to protect your skin from the UV radiation and thereby lower the risk of adverse health effects.
Select your skin type, the Sun Protection Factor (SPF) of your sunscreen and t
... Read Morehe environment. Sun Alert will retrieve the near-real time data of the UV radiation for your location and calculate the time you can safely expose to sun. Alternatively, you can use it to select the SPF of your sunscreen to meet a desired exposure time.
To calculate the recommended exposure, the free version uses the maximum clear-sky UV index for the current day. This is appropriate during the 2 to 4-hour period around noon.
For more precise calculation, turn your iPhone or iPod touch in landscape mode, press the "Enable full version…" button and follow the instructions for in-app purchase. Also, in landscape mode you can preview the functionality of the full version with a pre-set demo data.
Features:
- Automatically retrieve the required UV radiation data
- Calculate the recommended sun exposure time or find the proper sun protection factor (SPF) for the sunscreen to use
- Start a countdown timer with alarm
- Safely quit and relaunch Sun Alert while timer is running
Additional features after enabling full functionality:
- Examine the daily distribution of the UV index
- Calculate the time taking into account the diurnal UV index change
- Calculate the time for past or future period of day to plan outdoor activities
- Set UV Index limit to avoid dangerous UV radiation levels around noon
- Start a countdown timer with sound or alarm notifications to expose to sun or seek shade
Sun Alert uses KNMI/ESA UV index data provided by TEMIS website.
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