Calculated Ultraviolet Exposure Levels for a Healthy Vitamin D Status

Alternative services: http://nadir.nilu.no/~olaeng/fastrt/VitD-ez_quartMED.html and http://zardoz.nilu.no/~olaeng/fastrt/VitD-ez_quartMED.html

Version 1.0, Copyright © 2005 Ola Engelsen
Norwegian Institute for Air Research, Email: ola.engelsen@nilu.no

NOTE! version 1.2 is available here: http://nadir.nilu.no/~olaeng/fastrt/VitD-ez_quartMEDandMED_v2.html and http://zardoz.nilu.no/~ olaeng/fastrt/VitD-ez_quartMEDandMED_v2.html

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Time and location

Month Day

City
Latitude (degs N) Longitude (degs E)


Skin type: Pale Caucasian Blond Caucasian Darker Caucasian Mediterranean Middle Eastern Black


Nature of exposure: Around midday Start time (hours UTC)


Sky condition Estimate cloud thickness from UV index assuming overcast sky: UV Index [0-20]


Ozone layer thickness


Surface altitude km. Range [0.0-6.0] km

Surface type