Spectral PAR from Helioclim-3
Spectral PAR from HC3
Spectral PAR irradiation from HelioClim-3
This PAR service provides time series of PAR (400-700 nm) in all weather conditions, in cloud-free conditions, and at the top of the atmosphere. Data are provided in µmol.m-2.s-1.
The PAR service delivers very fast time series of irradiation, from February 1, 2004 to yesterday with a time step ranging from 1 minute to 1 month.