Solar flares — May 13, 2026
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The strongest solar flare in the day
Flare of C2.3 level (normal) — in 07:40
Solar activity index
Value for May 13, 2026 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from May 12, 2026 to May 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 May 13, 2026
Total number of flares of class C and higher — 4 flares
C type — 4 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C2.10
|
17:48 | 18:14 | 18:32 | — |
|
C1.5
|
11:28 | 11:36 | 11:39 | 4433 |
|
C2.3
|
07:31 | 07:40 | 07:45 | 4436 |
|
C2.1
|
02:43 | 02:54 | 03:01 | 4432 |