Solar flares on September 25, 2026
The most powerful solar flare in 24 hours
C1.3 (normal) flare - September 25 at 8:16 AM
Solar activity index
Value as of the end of the day on September 25, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 24, 2026 to September 25, 2026
Time zone — UTC+00
List of solar flares for September 25, 2026
The total number of solar flares of class C and higher — 3 flares
C class — 3 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.2 | 18:20 | 18:30 | 18:41 | 4534 |
| C1.3 | 08:11 | 08:16 | 08:27 | — |
| C1.1 | 02:31 | 02:44 | 02:57 | 4536 |