Solar - UV Index - Lux
Current UV Index


0
Irradiance

clear

1 W/m2 (0%)

Irradiance
None

Irradiance
(W/m2)
Irradiance is the total electromagnetic radiant flux or power (energy per unit time) incident on a surface.

UV Index Advisory
UV IndexDescription
8Very high risk of harm from unprotected
sun exposure, take extra precautions
6-7High risk of harm from unprotected sun exposure
3-5Moderate risk of harm from unprotected
sun exposure
0-2Low risk of harm from unprotected exposure to
the sun's UV rays for the average person
Illuminance

clear

157 lux


Illuminance
(lumen/m2)
Luminous flux (lumen) is a measure of the human eye's response to visible light: the perceived power. Illuminance (lux) is the luminous flux incident on a surface: for sunlight, 1 lux ≈ 0.008 W/m².