Solar flares — Apr 23, 2026
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The strongest solar flare in the day
Flare of M4.9 level (strong) — in 18:08
Solar activity index
Value for Apr 23, 2026 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Apr 22, 2026 to Apr 23, 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 23, 2026
Total number of flares of class C and higher — 17 flares
C type — 12 | M type — 5 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C4.1
|
20:59 | 21:06 | 21:10 | 4420 |
|
M4.9
|
18:00 | 18:08 | 18:14 | 4419 |
|
C7.4
|
16:42 | 17:17 | 17:46 | — |
|
C1.4
|
16:14 | 16:27 | 16:42 | 4420 |
|
M1.7
|
14:42 | 15:00 | 15:11 | 4419 |
|
C2.1
|
13:59 | 14:02 | 14:04 | 4420 |
|
C1.3
|
13:26 | 13:30 | 13:37 | 4420 |
|
C1.4
|
12:51 | 12:58 | 13:04 | 4421 |
|
C2.3
|
10:47 | 10:53 | 10:57 | — |
|
M4.3
|
09:40 | 09:48 | 09:53 | 4419 |
|
C5.6
|
09:06 | 09:11 | 09:19 | 4420 |
|
C4.5
|
08:48 | 08:57 | 09:06 | 4420 |
|
M1.2
|
05:50 | 05:59 | 06:08 | 4420 |
|
M1.6
|
05:24 | 05:35 | 05:48 | 4419 |
|
C1.9
|
03:16 | 03:23 | 03:30 | 4420 |
|
C4.4
|
02:02 | 02:17 | 02:29 | — |
|
C3.0
|
00:02 | 00:14 | 00:27 | 4420 |