Solar flares on August 23, 2025
The most powerful solar flare in 24 hours
M1.9 (strong) flare - August 23 at 3:06 PM
Solar activity index
Value as of the end of the day on August 23, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 22, 2025 to August 23, 2025
Time zone — UTC-05 (Regina) — summer time
List of solar flares for August 23, 2025
The total number of solar flares of class C and higher — 11 flares
C class — 10 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.8 | 19:50 | 19:54 | 20:00 | 4191 |
| C6.2 | 18:04 | 18:19 | 18:27 | — |
| C5.5 | 17:41 | 17:56 | 18:04 | — |
| M1.9 | 14:53 | 15:06 | 15:16 | — |
| C9.1 | 14:01 | 14:22 | 14:40 | 4191 |
| C2.6 | 10:12 | 10:16 | 10:19 | — |
| C3.0 | 09:48 | 09:54 | 10:01 | — |
| C3.2 | 08:19 | 08:32 | 08:50 | 4191 |
| C1.9 | 07:47 | 07:52 | 07:56 | 4191 |
| C2.3 | 06:29 | 06:35 | 06:40 | — |
| C2.8 | 01:23 | 01:29 | 01:34 | 4191 |