Solar flares — Apr 13, 2026
The strongest solar flare in the day
Flare of C1.1 level (normal) — in 12:37
Solar activity index
Value for Apr 13, 2026 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Apr 12, 2026 to Apr 13, 2026
Time zone — UTC+01 (London) - summer time
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Apr 13, 2026
Total number of flares of class C and higher — 1 flare
C type — 1 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.1
|
12:20 | 12:37 | 12:52 | 4414 |