Solar flares — Oct 28, 2025
The strongest solar flare in the day
Flare of C1.6 level (normal) — in 16:26
Solar activity index
Value for Oct 28, 2025 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Oct 27, 2025 to Oct 28, 2025
Time zone — UTC+00 (London)
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Oct 28, 2025
Total number of flares of class C and higher — 1 flare
C type — 1 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.6
|
16:17 | 16:26 | 16:30 | 4267 |