Solar flares on September 26, 2025
The most powerful solar flare in 24 hours
M1.6 (strong) flare - September 26 at 4:01 PM
Solar activity index
Value as of the end of the day on September 26, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 25, 2025 to September 26, 2025
Time zone — UTC-04 (Salluit) — summer time
List of solar flares for September 26, 2025
The total number of solar flares of class C and higher — 13 flares
C class — 11 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.0 | 23:29 | 23:59 | 00:18 | 4226 |
| C3.6 | 22:32 | 22:40 | 22:44 | 4232 |
| C8.0 | 20:28 | 20:42 | 21:00 | 4226 |
| C2.8 | 19:11 | 19:15 | 19:21 | 4217 |
| C4.0 | 18:21 | 18:27 | 18:32 | 4233 |
| C4.0 | 16:45 | 16:55 | 17:01 | 4233 |
| M1.6 | 15:49 | 16:01 | 16:07 | 4233 |
| C7.8 | 14:53 | 15:05 | 15:14 | 4221 |
| C2.9 | 13:06 | 13:16 | 13:23 | 4233 |
| C2.5 | 06:04 | 06:19 | 06:40 | 4227 |
| C2.4 | 02:14 | 02:28 | 02:39 | 4232 |
| C1.9 | 00:25 | 00:34 | 00:50 | 4232 |
| C1.9 | 23:52 | 00:02 | 00:10 | 4217 |