Solar flares on October 22, 2025
The most powerful solar flare in 24 hours
C4.7 (normal) flare - October 22 at 12:52 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+11 (Magadan)
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 |
|---|---|---|---|---|
| C4.2 | 18:02 | 18:20 | 19:08 | — |
| C1.8 | 17:31 | 17:36 | 17:41 | — |
| C4.7 | 12:07 | 12:52 | 13:03 | 4259 |
| C4.4 | 11:19 | 11:34 | 11:51 | 4257 |
| C1.5 | 10:36 | 10:47 | 10:53 | — |