Solar flares on July 31, 2002
The most powerful solar flare in 24 hours
M1.2 (strong) flare - July 31 at 4:53 AM
Solar activity index
Value as of the end of the day on July 31, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 30, 2002 to July 31, 2002
Time zone — UTC+03 (Belgorod)
List of solar flares for July 31, 2002
The total number of solar flares of class C and higher — 11 flares
C class — 10 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.3 | 23:18 | 23:22 | 23:25 | — |
| C2.8 | 22:58 | 23:03 | 23:05 | 48 |
| C2.6 | 18:23 | 18:26 | 18:28 | 50 |
| C2.3 | 17:49 | 17:52 | 17:54 | — |
| C2.7 | 15:06 | 15:09 | 15:11 | — |
| C4.2 | 13:57 | 14:17 | 14:30 | 39 |
| C9.6 | 12:50 | 12:58 | 13:06 | — |
| C2.4 | 11:49 | 11:54 | 12:00 | — |
| M1.2 | 04:39 | 04:53 | 05:02 | 39 |
| C3.0 | 04:10 | 04:14 | 04:19 | 38 |
| C4.9 | 03:49 | 03:53 | 03:57 | 44 |