Solar flares on May 31, 2003
The most powerful solar flare in 24 hours
M9.3 (strong) flare - May 31 at 5:24 AM
Solar activity index
Value as of the end of the day on May 31, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 30, 2003 to May 31, 2003
Time zone — UTC+03 (Helsinki)
List of solar flares for May 31, 2003
The total number of solar flares of class C and higher — 5 flares
C class — 4 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C6.2 | 19:20 | 19:32 | 19:40 | — |
| C3.5 | 18:25 | 18:33 | 18:40 | 365 |
| C1.3 | 17:05 | 17:16 | 17:23 | 365 |
| M9.3 | 05:13 | 05:24 | 05:40 | 365 |
| C3.5 | 03:21 | 03:29 | 03:51 | 373 |