Solar flares — May 31, 2026
The strongest solar flare in the day
Flare of C3.1 level (normal) — in 03:09
Solar activity index
Value for May 31, 2026 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from May 30, 2026 to May 31, 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 31, 2026
Total number of flares of class C and higher — 13 flares
C type — 13 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.9
|
22:42 | 22:53 | 23:11 | 4457 |
|
C1.5
|
20:39 | 20:43 | 20:47 | 4446 |
|
C1.7
|
19:31 | 19:36 | 19:39 | 4457 |
|
C1.5
|
18:56 | 19:10 | 19:28 | — |
|
C1.1
|
13:46 | 13:51 | 13:53 | 4455 |
|
C1.0
|
13:37 | 13:43 | 13:46 | 4449 |
|
C1.0
|
11:12 | 11:14 | 11:17 | 4446 |
|
C1.1
|
09:59 | 10:10 | 10:27 | 4455 |
|
C1.2
|
09:02 | 09:07 | 09:10 | 4449 |
|
C1.8
|
05:44 | 05:49 | 06:00 | 4452 |
|
C1.5
|
05:22 | 05:36 | 05:44 | 4449 |
|
C1.2
|
03:53 | 04:05 | 04:19 | 4452 |
|
C3.1
|
02:59 | 03:09 | 03:12 | 4447 |