Solar flares on February 17, 2025
The most powerful solar flare in 24 hours
M1.0 (strong) flare - February 17 at 5:13 PM
Solar activity index
Value as of the end of the day on February 17, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 16, 2025 to February 17, 2025
Time zone — UTC+02 (Athens)
List of solar flares for February 17, 2025
The total number of solar flares of class C and higher — 16 flares
C class — 15 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.3 | 23:40 | 23:52 | 00:04 | 3998 |
| C1.6 | 22:17 | 22:22 | 22:27 | 3986 |
| C1.8 | 21:35 | 21:42 | 21:46 | 3992 |
| C2.2 | 20:27 | 20:33 | 20:37 | 3998 |
| C4.4 | 17:50 | 17:57 | 18:01 | 3998 |
| M1.0 | 17:07 | 17:13 | 17:23 | 3992 |
| C5.7 | 16:46 | 16:55 | 17:07 | 3997 |
| C3.9 | 15:32 | 15:40 | 15:45 | 3998 |
| C3.9 | 13:43 | 13:52 | 14:02 | 3998 |
| C2.9 | 10:07 | 10:18 | 10:30 | 3998 |
| C2.6 | 09:26 | 09:36 | 09:44 | 3992 |
| C5.9 | 06:24 | 06:46 | 06:56 | 3992 |
| C2.7 | 05:58 | 06:01 | 06:08 | 3998 |
| C2.2 | 04:55 | 05:00 | 05:06 | 3992 |
| C3.6 | 04:16 | 04:28 | 04:34 | 3998 |
| C2.2 | 03:49 | 03:58 | 04:05 | 3998 |