Solar flares on March 15, 2026
The most powerful solar flare in 24 hours
M1.0 (strong) flare - March 15 at 10:39 AM
Solar activity index
Value as of the end of the day on March 15, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from March 14, 2026 to March 15, 2026
Time zone — UTC+01 (Brussels)
List of solar flares for March 15, 2026
The total number of solar flares of class C and higher — 7 flares
C class — 6 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.1 | 16:00 | 16:09 | 16:13 | 4395 |
| M1.0 | 10:21 | 10:39 | 10:52 | 4392 |
| C1.7 | 02:58 | 03:06 | 03:09 | — |
| C1.3 | 02:50 | 02:55 | 02:58 | — |
| C1.1 | 01:37 | 01:47 | 01:54 | — |
| C2.4 | 00:33 | 00:48 | 00:56 | 4395 |
| C1.1 | 23:58 | 00:08 | 00:10 | — |