Solar flares on May 31, 2026
The most powerful solar flare in 24 hours
C1.9 (normal) flare - May 31 at 4:53 PM
Solar activity index
Value as of the end of the day on May 31, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 30, 2026 to May 31, 2026
Time zone — UTC-05 (Saint Paul) — summer time
List of solar flares for May 31, 2026
The total number of solar flares of class C and higher — 9 flares
C class — 9 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.9 | 16:42 | 16:53 | 17:11 | 4457 |
| C1.5 | 14:39 | 14:43 | 14:47 | 4446 |
| C1.7 | 13:31 | 13:36 | 13:39 | 4457 |
| C1.5 | 12:56 | 13:10 | 13:28 | 4461 |
| C1.1 | 07:46 | 07:51 | 07:53 | 4455 |
| C1.0 | 07:37 | 07:43 | 07:46 | 4449 |
| C1.0 | 05:12 | 05:14 | 05:17 | 4446 |
| C1.1 | 03:59 | 04:10 | 04:27 | 4455 |
| C1.2 | 03:02 | 03:07 | 03:10 | 4449 |