Solar flares on August 25, 2025
The most powerful solar flare in 24 hours
M4.5 (strong) flare - August 25 at 8:24 AM
Solar activity index
Value as of the end of the day on August 25, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 24, 2025 to August 25, 2025
Time zone — UTC+03 (Moscow)
List of solar flares for August 25, 2025
The total number of solar flares of class C and higher — 13 flares
C class — 9 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.6 | 19:50 | 19:55 | 20:01 | 4199 |
| C4.8 | 19:11 | 19:16 | 19:22 | 4199 |
| M1.1 | 18:30 | 18:38 | 18:41 | 4199 |
| M1.2 | 18:06 | 18:18 | 18:28 | 4199 |
| C4.5 | 17:52 | 17:59 | 18:05 | 4199 |
| C3.8 | 15:34 | 15:42 | 15:45 | 4199 |
| C5.5 | 13:30 | 13:42 | 13:51 | 4197 |
| M1.0 | 12:04 | 12:07 | 12:09 | 4197 |
| C9.9 | 11:45 | 11:55 | 12:04 | 4199 |
| M4.5 | 08:01 | 08:24 | 08:40 | 4199 |
| C4.3 | 05:29 | 05:35 | 05:40 | 4199 |
| C4.8 | 04:56 | 05:00 | 05:06 | 4199 |
| C4.0 | 01:25 | 01:34 | 01:42 | 4187 |