The best replacement for irradiance is radiance.

The best alternatives to irradiance are rated as following:
★★★★★  radiance
★★★★  intensity
★★★  insolation
★★★  illuminance
★  radiant intensity
  irradiation
  photon flux density

Your alternative for irradiance is not listed? Suggest!


No companions for irradiance have been suggested so far.
You have in mind a companion for irradiance and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of irradiance in all years. Click on graph for more.
irradiance
radiance
intensity