Solar flares — Oct 27, 2025
The strongest solar flare in the day
Flare of C1.7 level (normal) — in 10:21
Solar activity index
Value for Oct 27, 2025 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Oct 26, 2025 to Oct 27, 2025
Time zone — UTC+00 (London)

This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Oct 27, 2025
Total number of flares of class C and higher — 2 flares
C type — 2 | M type — 0 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C1.7
|
10:03 | 10:21 | 10:35 | 4262 |
|
C1.0
|
01:30 | 01:41 | 01:51 | 4262 |
