Solar flares on May 15, 2026
The most powerful solar flare in 24 hours
C9.5 (normal) flare - May 15 at 7:14 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 (Cheboksary)
List of solar flares for May 15, 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 |
|---|---|---|---|---|
| C9.5 | 19:05 | 19:14 | 19:18 | 4435 |
| C1.1 | 16:40 | 16:50 | 16:56 | — |
| C6.7 | 16:10 | 16:13 | 16:17 | 4435 |
| C4.3 | 14:43 | 14:50 | 14:54 | 4435 |
| C3.3 | 05:52 | 06:09 | 06:30 | 4436 |
| C1.0 | 04:48 | 04:52 | 04:55 | 4438 |
| C1.2 | 02:16 | 02:21 | 02:26 | 4438 |
| C1.5 | 01:14 | 01:20 | 01:28 | 4438 |
| C1.0 | 00:55 | 01:03 | 01:11 | 4438 |