Solar flares on August 12, 2025
The most powerful solar flare in 24 hours
M1.8 (strong) flare - August 12 at 6:23 AM
Solar activity index
Value as of the end of the day on August 12, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 11, 2025 to August 12, 2025
Time zone — UTC+05 (Ufa)
List of solar flares for August 12, 2025
The total number of solar flares of class C and higher — 18 flares
C class — 16 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C8.3 | 23:09 | 23:43 | 00:09 | 4172 |
| C4.0 | 21:13 | 21:24 | 21:37 | 4172 |
| C5.0 | 17:51 | 17:55 | 17:58 | 4172 |
| C6.1 | 17:03 | 17:18 | 17:39 | — |
| C7.7 | 16:47 | 16:53 | 16:55 | — |
| C4.3 | 11:32 | 11:41 | 11:54 | — |
| C3.7 | 10:00 | 10:11 | 10:22 | — |
| C5.8 | 09:23 | 09:29 | 09:33 | — |
| C5.1 | 09:13 | 09:20 | 09:23 | — |
| C3.3 | 08:58 | 09:05 | 09:13 | — |
| C7.7 | 08:32 | 08:38 | 08:42 | — |
| M1.8 | 06:18 | 06:23 | 06:27 | — |
| M1.5 | 05:42 | 05:59 | 06:18 | — |
| C4.1 | 05:30 | 05:34 | 05:38 | — |
| C4.4 | 05:00 | 05:08 | 05:11 | — |
| C4.5 | 04:48 | 04:56 | 05:00 | — |
| C3.9 | 02:28 | 02:35 | 02:43 | — |
| C5.5 | 01:17 | 01:26 | 01:41 | — |