Solar flares on September 22, 2025
The most powerful solar flare in 24 hours
C6.6 (normal) flare - September 22 at 2:46 AM
Solar activity index
Value as of the end of the day on September 22, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 21, 2025 to September 22, 2025
Time zone — UTC+05:30 (Krishnanagar)
List of solar flares for September 22, 2025
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 |
|---|---|---|---|---|
| C4.2 | 21:28 | 21:39 | 21:48 | — |
| C1.7 | 12:38 | 12:46 | 12:51 | 4217 |
| C6.6 | 02:34 | 02:46 | 02:50 | 4223 |