Solar flares on May 15, 2026
The most powerful solar flare in 24 hours
C9.5 (normal) flare - May 15 at 12:14 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-04 (Concord) — summer time
List of solar flares for May 15, 2026
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 18:41 | 18:50 | 18:55 | 4435 |
| C9.5 | 12:05 | 12:14 | 12:18 | 4435 |
| C1.1 | 09:40 | 09:50 | 09:56 | — |
| C6.7 | 09:10 | 09:13 | 09:17 | 4435 |
| C4.3 | 07:43 | 07:50 | 07:54 | 4435 |