Solar flares on May 9, 2026
The most powerful solar flare in 24 hours
C2.3 (normal) flare - May 9 at 3:31 AM
Solar activity index
Value as of the end of the day on May 9, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 8, 2026 to May 9, 2026
Time zone — UTC+00
List of solar flares for May 9, 2026
The total number of solar flares of class C and higher — 17 flares
C class — 17 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.1 | 21:57 | 22:03 | 22:09 | — |
| C2.0 | 21:37 | 21:46 | 21:57 | — |
| C1.2 | 20:21 | 20:29 | 20:32 | 4432 |
| C1.1 | 19:12 | 19:20 | 19:30 | 4432 |
| C1.2 | 18:48 | 18:55 | 19:12 | 4432 |
| C1.1 | 16:20 | 16:25 | 16:27 | 4432 |
| C1.5 | 15:16 | 15:26 | 15:35 | 4432 |
| C1.5 | 13:59 | 14:17 | 14:22 | 4432 |
| C1.3 | 13:15 | 13:19 | 13:24 | 4432 |
| C1.2 | 09:19 | 09:24 | 09:26 | 4432 |
| C1.6 | 07:53 | 08:02 | 08:06 | 4432 |
| C1.5 | 06:22 | 06:33 | 06:42 | 4432 |
| C1.4 | 05:14 | 05:21 | 05:26 | 4432 |
| C2.3 | 03:21 | 03:31 | 03:39 | 4432 |
| C2.1 | 02:18 | 02:28 | 02:38 | 4432 |
| C1.0 | 01:41 | 01:48 | 01:56 | 4432 |
| C1.3 | 00:11 | 00:21 | 00:29 | 4432 |