Solar flares on May 15, 2026
The most powerful solar flare in 24 hours
C9.5 (normal) flare - May 15 at 1:14 PM
Solar activity index
Value as of the end of the day on May 15, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 14, 2026 to May 15, 2026
Time zone — UTC-03 (Halifax) — summer time
List of solar flares for May 15, 2026
The total number of solar flares of class C and higher — 6 flares
C class — 6 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 19:41 | 19:50 | 19:55 | 4435 |
| C9.5 | 13:05 | 13:14 | 13:18 | 4435 |
| C1.1 | 10:40 | 10:50 | 10:56 | — |
| C6.7 | 10:10 | 10:13 | 10:17 | 4435 |
| C4.3 | 08:43 | 08:50 | 08:54 | 4435 |
| C3.3 | 23:52 | 00:09 | 00:30 | 4436 |