Solar flares on October 25, 2025
The most powerful solar flare in 24 hours
C2.2 (normal) flare - October 25 at 7:10 PM
Solar activity index
Value as of the end of the day on October 25, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 24, 2025 to October 25, 2025
Time zone — UTC-04 (Jacksonville) — summer time
List of solar flares for October 25, 2025
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.4 | 21:24 | 21:34 | 21:42 | 4256 |
| C1.2 | 20:04 | 20:13 | 20:18 | 4256 |
| C2.2 | 18:58 | 19:10 | 19:15 | 4267 |
| C1.3 | 07:01 | 07:12 | 07:28 | 4256 |
| C1.6 | 06:13 | 06:23 | 06:30 | 4267 |