Rayon X: 


Champ électromagnétique:
Status
Status
>
 
From n3kl.org 

 
Status
Normal: Solar X-ray flux is quiet (< 1.00e-6 W/m^2)
Status
Active: Solar X-ray flux is active (>= 1.00e-6 W/m^2)
Status
M Class Flare: An M Class flare has occurred (X-ray flux >= 1.00e-5 W/m^2)
Status
X Class Flare: An X Class flare has occurred (X-ray flux >= 1.00e-4 W/m^2)
Status
Mega Flare: An unprecedented X-ray event has occurred (X-ray flux >= 1.00e-3 W/m^2) 
The designation "Mega Flare" was chosen by Kevin Loch when the status monitor was created on March 4, 1999. 
There is no "official" designation for flares in this range.


Status
Quiet: the Geomagnetic Field is quiet (Kp < 4)
Status
Active: the Geomagnetic Field has been unsettled (Kp=4)
Status
Storm: A Geomagnetic Storm has occurred (Kp>4)