Solar flares on October 25, 2021
The most powerful solar flare in 24 hours
C8.5 (normal) flare - October 25 at 7:56 PM
Solar activity index
Value as of the end of the day on October 25, 2021
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 24, 2021 to October 25, 2021
Time zone — UTC+00
List of solar flares for October 25, 2021
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 |
|---|---|---|---|---|
| C1.6 | 23:31 | 23:34 | 23:38 | — |
| C4.4 | 21:55 | 22:03 | 22:16 | — |
| C8.5 | 19:47 | 19:56 | 20:01 | — |