Calculated Ultraviolet Exposure Levels for a Healthy Vitamin D Status

Version 1.0, Copyright © 2005 NILU, Ola Engelsen
Norwegian Institute for Air Research,

Press here for more information on this web program and other related programs
NOTE! version 1.2 is available here

Time and location

Month Day

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

Ozone layer thickness

Surface elevation km. Range [0.0-6.0] km

Surface type

Contact: (Arve Kylling or Tove Svendby)
NILU - Norwegian Institute for Air Research
Instituttveien 18
NO-2027 Kjeller