Solar flares — Jun 28, 2026
The strongest solar flare in the day
Flare of C9.5 level (normal) — in 22:44
Solar activity index
Value for Jun 28, 2026 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Jun 27, 2026 to Jun 28, 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 Jun 28, 2026
Total number of flares of class C and higher — 8 flares
C type — 8 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C8.7
|
22:55 | 22:59 | 23:05 | 4479 |
|
C9.5
|
22:38 | 22:44 | 22:52 | — |
|
C3.3
|
21:50 | 21:59 | 22:03 | 4477 |
|
C2.8
|
21:38 | 21:46 | 21:50 | 4479 |
|
C2.7
|
16:01 | 16:09 | 16:15 | 4478 |
|
C2.2
|
08:03 | 08:07 | 08:09 | 4475 |
|
C2.4
|
07:46 | 07:54 | 08:03 | 4475 |
|
C4.1
|
02:44 | 02:55 | 03:00 | 4475 |