Solar flares on September 4, 2002
The most powerful solar flare in 24 hours
C2.5 (normal) flare - September 4 at 2:54 PM
Solar activity index
Value as of the end of the day on September 4, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 3, 2002 to September 4, 2002
Time zone — UTC+00
List of solar flares for September 4, 2002
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.1 | 18:04 | 18:07 | 18:10 | — |
| C1.2 | 17:00 | 17:03 | 17:08 | 95 |
| C1.6 | 15:28 | 15:31 | 15:34 | 95 |
| C2.5 | 14:48 | 14:54 | 14:57 | 96 |
| C1.2 | 14:14 | 14:17 | 14:22 | 94 |
| C1.6 | 13:50 | 13:55 | 13:57 | 96 |
| C1.6 | 10:27 | 10:33 | 10:38 | 96 |
| C2.0 | 07:40 | 07:43 | 07:46 | — |