Solar flares — Apr 30, 2026
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The strongest solar flare in the day
Flare of C5.1 level (normal) — in 01:31
Solar activity index
Value for Apr 30, 2026 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Apr 29, 2026 to Apr 30, 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 30, 2026
Total number of flares of class C and higher — 6 flares
C type — 6 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C3.7
|
10:35 | 10:40 | 10:45 | — |
|
C3.3
|
10:11 | 10:17 | 10:21 | 4420 |
|
C1.5
|
03:08 | 03:19 | 03:26 | 4420 |
|
C1.9
|
02:33 | 02:52 | 03:08 | 4420 |
|
C5.1
|
01:24 | 01:31 | 01:41 | 4424 |
|
C1.5
|
01:16 | 01:21 | 01:23 | 4420 |