Solar flares on September 25, 2021
The most powerful solar flare in 24 hours
C1.7 (normal) flare - September 25 at 8:17 PM
Solar activity index
Value as of the end of the day on September 25, 2021
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 24, 2021 to September 25, 2021
Time zone — UTC+01 (Dublin) — summer time
List of solar flares for September 25, 2021
The total number of solar flares of class C and higher — 3 flares
C class — 3 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.7 | 20:11 | 20:17 | 20:21 | 2871 |
| C1.0 | 12:10 | 12:30 | 12:37 | 2871 |
| C1.4 | 04:27 | 04:54 | 05:04 | 2871 |