Solar flares on October 21, 2024
The most powerful solar flare in 24 hours
C6.2 (normal) flare - October 21 at 10:01 AM
Solar activity index
Value as of the end of the day on October 21, 2024
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 20, 2024 to October 21, 2024
Time zone — UTC+00
List of solar flares for October 21, 2024
The total number of solar flares of class C and higher — 1 flare
C class — 1 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C6.2 | 08:40 | 10:01 | 11:39 | — |