Solar flares on March 15, 2026
The most powerful solar flare in 24 hours
M1.0 (strong) flare - March 15 at 1:39 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-08 (Anchorage) — summer time
List of solar flares for March 15, 2026
The total number of solar flares of class C and higher — 2 flares
C class — 1 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.1 | 07:00 | 07:09 | 07:13 | 4395 |
| M1.0 | 01:21 | 01:39 | 01:52 | 4392 |