Solar flares — Apr 28, 2025
The strongest solar flare in the day
Flare of C3.9 level (normal) — in 23:55
Solar activity index
Value for Apr 28, 2025 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Apr 27, 2025 to Apr 28, 2025
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Apr 28, 2025
Total number of flares of class C and higher — 7 flares
C type — 7 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C3.9
|
23:44 | 23:55 | 00:00 | 4070 |
|
C1.6
|
23:20 | 23:23 | 23:26 | 4079 |
|
C1.7
|
23:08 | 23:11 | 23:14 | 4079 |
|
C3.2
|
21:40 | 21:52 | 22:01 | 4079 |
|
C1.4
|
20:05 | 20:10 | 20:16 | 4078 |
|
C1.7
|
16:59 | 17:09 | 17:20 | 4078 |
|
C2.2
|
05:46 | 06:02 | 06:21 | 4069 |