Solar flares on May 12, 2025
The most powerful solar flare in 24 hours
C2.7 (normal) flare - May 12 at 10:02 AM
Solar activity index
Value as of the end of the day on May 12, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 11, 2025 to May 12, 2025
Time zone — UTC-05 (Chicago) — summer time
List of solar flares for May 12, 2025
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.2 | 14:39 | 14:48 | 14:54 | 4087 |
| C1.0 | 12:14 | 12:23 | 12:27 | 4086 |
| C1.2 | 11:54 | 12:01 | 12:06 | 4086 |
| C2.7 | 09:52 | 10:02 | 10:04 | 4087 |
| C2.7 | 07:49 | 08:08 | 08:39 | 4079 |
| C1.0 | 06:52 | 06:59 | 07:02 | — |
| C2.0 | 00:58 | 01:02 | 01:06 | — |
| C1.6 | 00:41 | 00:48 | 00:52 | 4079 |