Solar flares on March 17, 2025
The most powerful solar flare in 24 hours
M1.0 (strong) flare - March 17 at 8:33 PM
Solar activity index
Value as of the end of the day on March 17, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from March 16, 2025 to March 17, 2025
Time zone — UTC+01 (Oslo)
List of solar flares for March 17, 2025
The total number of solar flares of class C and higher — 13 flares
C class — 12 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.6 | 23:38 | 23:45 | 23:53 | 4034 |
| M1.0 | 20:25 | 20:33 | 20:40 | 4033 |
| C9.8 | 20:04 | 20:19 | 20:25 | 4033 |
| C2.0 | 19:12 | 19:19 | 19:26 | — |
| C5.3 | 17:14 | 17:18 | 17:23 | 4019 |
| C6.6 | 16:45 | 17:04 | 17:14 | 4019 |
| C2.7 | 15:23 | 15:30 | 15:36 | 4028 |
| C2.1 | 11:37 | 12:00 | 12:24 | 4020 |
| C1.8 | 10:39 | 10:45 | 10:49 | 4031 |
| C2.9 | 09:10 | 09:17 | 09:24 | 4019 |
| C2.4 | 07:37 | 07:46 | 07:54 | 4034 |
| C7.8 | 06:21 | 06:42 | 06:51 | 4028 |
| C1.8 | 00:24 | 00:31 | 00:39 | 4030 |