Solar flares on October 22, 2003
The most powerful solar flare in 24 hours
M9.9 (strong) flare - October 22 at 8:07 PM
Solar activity index
Value as of the end of the day on October 22, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 21, 2003 to October 22, 2003
Time zone — UTC+00 (Reykjavik)
List of solar flares for October 22, 2003
The total number of solar flares of class C and higher — 7 flares
C class — 0 | M class — 7 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M2.1 | 21:56 | 22:04 | 22:17 | 486 |
| M9.9 | 19:47 | 20:07 | 20:28 | 486 |
| M1.2 | 15:57 | 16:01 | 16:04 | 484 |
| M1.4 | 15:06 | 15:11 | 15:13 | 484 |
| M1.7 | 09:37 | 09:56 | 09:59 | 486 |
| M1.7 | 08:30 | 08:44 | 08:53 | — |
| M3.7 | 03:28 | 03:51 | 05:21 | 486 |