Sunburn vs vitamin D: Sun exposure is a delicate balance. iSunHealth takes out the guesswork and provides the information you need, even far from home.See the full range of UV index values for the day. From the current value in the depths of a city canyon to the noon maximum when the clouds clear on the beach. The full range of values is given with an easy color coding so you know where you stand, what is likely, and what to prepare for. Relevant data up front: sunrise, sunset, solar noon, the sun's angle and the ozone level. Personalize your limits: set a vitamin D goal and a sun burn limit. iSunHealth calculates the time it will take to reach these limits, taking your skin color and the changing angle of the sun into account. Set alerts: iSunHealth will warn you automatically when your UV limit is reached, even if you leave the app. Fully settable environment: snowy mountainside to sandy beach, shaded forest path or enclosed city streets. Extensive embedded help. Large locations database with city names in many languages. Does not require an internet connection. It is more accurate with occasional ozone data, but can give an approximate value even without a connection. Worldwide coverage. iSunHealth uses satellite ozone data provided by KNMI/ESA through the TEMIS web service. All other values, including UV index are calculated on your device.
