Solar flares on May 15, 2001
The most powerful solar flare in 24 hours
M1.0 (strong) flare - May 15 at 6:00 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+03 (Pskov)
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 | 20:52 | 22:40 | 01:19 | — |
| C3.4 | 16:16 | 16:25 | 16:44 | — |
| C2.1 | 12:10 | 12:16 | 12:26 | 9455 |
| C3.5 | 11:34 | 11:45 | 11:54 | 9455 |
| C1.3 | 09:04 | 09:11 | 09:20 | — |
| M1.0 | 05:53 | 06:00 | 06:08 | 9455 |