Shortwave Fadeout Monitor

Historical solar X-ray irradiance and SuperDARN echo analysis.

How to use this calendar

Click on any date to view detailed solar flare data and X-ray flux analysis. Circular colored dates indicate solar flare activity: Green circles = C-Class, Orange circles = M-Class, Red circles = X-Class.

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Solar Flare Classification
--
No Flare
C
C-Class
M
M-Class
X
X-Class

How to use: Click on any colored date to view detailed flare plots for that day. Event counts per class are shown on dates (e.g., "2X 1M 3C") and in tooltips.

Select a Date

Click any date on the calendar above to view shortwave fadeout analysis with X-ray irradiance and SuperDARN Echoes

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