Solar flares on October 15, 2001
The most powerful solar flare in 24 hours
C3.7 (normal) flare - October 15 at 6:18 PM
Solar activity index
Value as of the end of the day on October 15, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 14, 2001 to October 15, 2001
Time zone — UTC+02 (Zagreb) — summer time
List of solar flares for October 15, 2001
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 |
|---|---|---|---|---|
| C3.7 | 18:11 | 18:18 | 18:25 | 9661 |
| C2.0 | 07:46 | 07:50 | 07:55 | — |
| C3.4 | 06:57 | 07:13 | 07:26 | — |
| C2.5 | 05:12 | 05:20 | 05:26 | — |
| C2.4 | 04:21 | 04:33 | 04:39 | — |