Solar flares on February 17, 2025
The most powerful solar flare in 24 hours
M1.0 (strong) flare - February 17 at 10:13 AM
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-05 (Concord)
List of solar flares for February 17, 2025
The total number of solar flares of class C and higher — 18 flares
C class — 17 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.7 | 23:07 | 23:12 | 23:20 | 3996 |
| C3.3 | 22:58 | 23:03 | 23:07 | 3998 |
| C5.2 | 20:26 | 20:30 | 20:35 | 3998 |
| C5.7 | 19:47 | 20:08 | 20:26 | 3990 |
| C2.2 | 19:31 | 19:35 | 19:47 | 3992 |
| C2.4 | 18:30 | 18:40 | 18:57 | 3998 |
| C2.1 | 17:04 | 17:12 | 17:18 | 3998 |
| C2.3 | 16:40 | 16:52 | 17:04 | 3998 |
| C1.6 | 15:17 | 15:22 | 15:27 | 3986 |
| C1.8 | 14:35 | 14:42 | 14:46 | 3992 |
| C2.2 | 13:27 | 13:33 | 13:37 | 3998 |
| C4.4 | 10:50 | 10:57 | 11:01 | 3998 |
| M1.0 | 10:07 | 10:13 | 10:23 | 3992 |
| C5.7 | 09:46 | 09:55 | 10:07 | 3997 |
| C3.9 | 08:32 | 08:40 | 08:45 | 3998 |
| C3.9 | 06:43 | 06:52 | 07:02 | 3998 |
| C2.9 | 03:07 | 03:18 | 03:30 | 3998 |
| C2.6 | 02:26 | 02:36 | 02:44 | 3992 |