Solar flares on July 15, 2002
The most powerful solar flare in 24 hours
X3.0 (very strong) flare - July 15 at 5:38 PM
Solar activity index
Value as of the end of the day on July 15, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 14, 2002 to July 15, 2002
Time zone — UTC-02:30 (Saint john's) — summer time
List of solar flares for July 15, 2002
The total number of solar flares of class C and higher — 9 flares
C class — 7 | M class — 1 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.6 | 21:38 | 21:41 | 21:45 | — |
| M1.8 | 18:33 | 19:02 | 19:18 | 30 |
| X3.0 | 17:29 | 17:38 | 17:44 | 30 |
| C1.9 | 16:07 | 16:10 | 16:19 | 30 |
| C3.6 | 11:30 | 11:34 | 11:40 | 30 |
| C9.1 | 09:09 | 09:25 | 09:47 | 30 |
| C1.6 | 07:42 | 07:59 | 08:09 | 30 |
| C3.8 | 02:33 | 02:42 | 02:52 | 30 |
| C1.6 | 01:44 | 01:53 | 02:04 | 30 |