Solar flares on February 18, 2025
The most powerful solar flare in 24 hours
C5.7 (normal) flare - February 18 at 2:08 AM
Solar activity index
Value as of the end of the day on February 18, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 17, 2025 to February 18, 2025
Time zone — UTC+01 (Prague)
List of solar flares for February 18, 2025
The total number of solar flares of class C and higher — 12 flares
C class — 12 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.8 | 19:11 | 19:17 | 19:23 | 3992 |
| C2.8 | 18:14 | 18:19 | 18:24 | 3992 |
| C3.0 | 17:59 | 18:10 | 18:14 | 3992 |
| C1.7 | 13:00 | 13:09 | 13:15 | 3990 |
| C1.6 | 12:25 | 12:33 | 12:39 | 3990 |
| C3.9 | 08:45 | 08:50 | 08:55 | 3992 |
| C3.7 | 05:07 | 05:12 | 05:20 | 3996 |
| C3.3 | 04:58 | 05:03 | 05:07 | 3998 |
| C5.2 | 02:26 | 02:30 | 02:35 | 3998 |
| C5.7 | 01:47 | 02:08 | 02:26 | 3990 |
| C2.2 | 01:31 | 01:35 | 01:47 | 3992 |
| C2.4 | 00:30 | 00:40 | 00:57 | 3998 |