Solar flares on October 22, 2004
The most powerful solar flare in 24 hours
M2.1 (strong) flare - October 22 at 4:11 AM
Solar activity index
Value as of the end of the day on October 22, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 21, 2004 to October 22, 2004
Time zone — UTC-04 (Windsor) — summer time
List of solar flares for October 22, 2004
The total number of solar flares of class C and higher — 3 flares
C class — 2 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.1 | 18:09 | 18:13 | 18:16 | 687 |
| C1.0 | 17:52 | 17:56 | 17:58 | 682 |
| M2.1 | 03:52 | 04:11 | 04:16 | 687 |