Solar flares on September 30, 2021
The most powerful solar flare in 24 hours
C2.8 (normal) flare - September 30 at 2:56 AM
Solar activity index
Value as of the end of the day on September 30, 2021
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 29, 2021 to September 30, 2021
Time zone — UTC+05 (Ufa)
List of solar flares for September 30, 2021
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.2 | 17:43 | 17:49 | 17:55 | 2877 |
| C1.6 | 03:34 | 03:45 | 03:50 | 2877 |
| C1.4 | 03:10 | 03:13 | 03:17 | 2877 |
| C2.8 | 02:46 | 02:56 | 03:02 | 2877 |