I need to create an online service displaying latest Kp index.
Where I can take the data?
The data should be in machine-readable format, i.e. text files, XML, or CGI gateways, for instance. No graphical plots!
I found this: http://www.swpc.noaa.gov/wingkp/wingkp_list.txt
Is Est. Kp what I need? I compared the data with plots covering several last days and found that kp values in this file are lower that on the charts.