Solar flares on July 31, 2003
The most powerful solar flare in 24 hours
C5.6 (normal) flare - July 31 at 5:26 PM
Solar activity index
Value as of the end of the day on July 31, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 30, 2003 to July 31, 2003
Time zone — UTC-08 (Anchorage) — summer time
List of solar flares for July 31, 2003
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.9 | 23:06 | 23:36 | 23:50 | 424 |
| C1.3 | 21:23 | 21:35 | 21:42 | 424 |
| C4.5 | 19:27 | 19:34 | 19:57 | — |
| C5.6 | 17:19 | 17:26 | 17:32 | 424 |
| C1.9 | 14:16 | 14:21 | 14:30 | 423 |