Solar flares on May 15, 2001
The most powerful solar flare in 24 hours
M1.0 (strong) flare - May 15 at 12:30 AM
Solar activity index
Value as of the end of the day on May 15, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 14, 2001 to May 15, 2001
Time zone — UTC-02:30 (Saint john's) — summer time
List of solar flares for May 15, 2001
The total number of solar flares of class C and higher — 6 flares
C class — 5 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.0 | 15:22 | 17:10 | 19:49 | — |
| C3.4 | 10:46 | 10:55 | 11:14 | — |
| C2.1 | 06:40 | 06:46 | 06:56 | 9455 |
| C3.5 | 06:04 | 06:15 | 06:24 | 9455 |
| C1.3 | 03:34 | 03:41 | 03:50 | — |
| M1.0 | 00:23 | 00:30 | 00:38 | 9455 |