Solar flares on September 5, 2025
The most powerful solar flare in 24 hours
M1.4 (strong) flare - September 5 at 1:16 AM
Solar activity index
Value as of the end of the day on September 5, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 4, 2025 to September 5, 2025
Time zone — UTC+00
List of solar flares for September 5, 2025
The total number of solar flares of class C and higher — 2 flares
C class — 1 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.2 | 10:05 | 10:14 | 10:22 | 4197 |
| M1.4 | 01:08 | 01:16 | 01:21 | 4207 |