Solar flares on May 20, 2025
The most powerful solar flare in 24 hours
M1.2 (strong) flare - May 20 at 7:08 PM
Solar activity index
Value as of the end of the day on May 20, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 19, 2025 to May 20, 2025
Time zone — UTC-05 (Winnipeg) — summer time
List of solar flares for May 20, 2025
The total number of solar flares of class C and higher — 13 flares
C class — 12 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.2 | 22:42 | 22:49 | 22:52 | 4093 |
| C1.3 | 20:06 | 20:15 | 20:22 | 4093 |
| M1.2 | 19:01 | 19:08 | 19:10 | 4087 |
| C1.6 | 18:49 | 18:59 | 19:01 | 4087 |
| C1.6 | 17:39 | 17:47 | 17:51 | 4093 |
| C5.3 | 17:18 | 17:25 | 17:28 | 4087 |
| C2.1 | 16:20 | 16:30 | 16:34 | 4087 |
| C1.2 | 15:24 | 15:32 | 15:37 | 4093 |
| C2.9 | 08:00 | 08:10 | 08:14 | 4093 |
| C2.5 | 05:54 | 05:59 | 06:08 | 4093 |
| C2.7 | 05:07 | 05:21 | 05:34 | 4093 |
| C5.3 | 00:45 | 00:54 | 01:00 | 4093 |
| C1.0 | 00:34 | 00:38 | 00:42 | 4093 |