BGT

Black Globe Temperature (BGT) is measured by a thermometer placed at the centre of a blackened sphere made of thin copper. It is currently determined using the following equation:

where T represents the air temperature in degrees Celsius and SR the solar radiation in W/m2.

BGT
  • 0 – 19
  • 20 – 24
  • 25 – 29
  • 30 – 34
  • 35 – 39
  • 40 – 44
  • 45+