Solar flares on May 20, 2001
The most powerful solar flare in 24 hours
M6.4 (strong) flare - May 20 at 11:33 AM
Solar activity index
Value as of the end of the day on May 20, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 19, 2001 to May 20, 2001
Time zone — UTC+05:30 (Indore)
List of solar flares for May 20, 2001
The total number of solar flares of class C and higher — 12 flares
C class — 10 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.9 | 20:02 | 20:11 | 20:16 | — |
| C1.1 | 17:20 | 17:24 | 17:33 | — |
| C6.1 | 17:05 | 17:10 | 17:13 | — |
| C1.0 | 16:01 | 16:05 | 16:12 | — |
| M1.5 | 14:42 | 14:50 | 14:53 | — |
| M6.4 | 11:30 | 11:33 | 11:36 | — |
| C2.5 | 11:13 | 11:18 | 11:24 | — |
| C1.0 | 08:49 | 08:53 | 08:57 | — |
| C2.0 | 07:50 | 07:55 | 07:58 | — |
| C3.5 | 05:20 | 05:49 | 05:55 | — |
| C2.1 | 03:18 | 03:25 | 03:34 | — |
| C1.3 | 02:32 | 02:37 | 02:41 | — |