Solar flares on October 31, 2025
The most powerful solar flare in 24 hours
C3.7 (normal) flare - October 31 at 10:23 PM
Solar activity index
Value as of the end of the day on October 31, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 30, 2025 to October 31, 2025
Time zone — UTC+05:30 (Agra)
List of solar flares for October 31, 2025
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 |
|---|---|---|---|---|
| C3.7 | 22:09 | 22:23 | 22:53 | — |
| C1.1 | 13:55 | 14:08 | 14:26 | — |
| C1.8 | 07:14 | 07:31 | 08:00 | — |