Solar flares on October 22, 2025
The most powerful solar flare in 24 hours
C3.2 (normal) flare - October 22 at 8:08 PM
Solar activity index
Value as of the end of the day on October 22, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 21, 2025 to October 22, 2025
Time zone — UTC-09 (Honolulu) — summer time
List of solar flares for October 22, 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 |
|---|---|---|---|---|
| C1.5 | 23:41 | 23:54 | 23:59 | 4267 |
| C3.2 | 19:56 | 20:08 | 20:15 | 4267 |
| C2.0 | 19:11 | 19:24 | 19:29 | — |
| C2.4 | 16:41 | 16:59 | 17:14 | — |
| C2.4 | 04:25 | 04:38 | 04:45 | — |