Solar flares on May 9, 2025
The most powerful solar flare in 24 hours
C4.9 (normal) flare - May 9 at 6:21 AM
Solar activity index
Value as of the end of the day on May 9, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 8, 2025 to May 9, 2025
Time zone — UTC-05 (Pierre) — summer time
List of solar flares for May 9, 2025
The total number of solar flares of class C and higher — 6 flares
C class — 6 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.9 | 22:42 | 22:52 | 22:58 | 4079 |
| C3.1 | 19:55 | 20:03 | 20:06 | 4079 |
| C4.9 | 06:14 | 06:21 | 06:25 | 4079 |
| C1.6 | 03:14 | 03:28 | 03:41 | 4079 |
| C1.4 | 02:09 | 02:16 | 02:18 | 4079 |
| C1.0 | 01:13 | 01:19 | 01:23 | 4082 |